Home / 8,623,117.60-12,934,676.40-8,203,213.60

Finding the Fourth Proportional to 8,623,117.60, 12,934,676.40 and 8,203,213.60

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Solution

The fourth proportional to 8,623,117.60, 12,934,676.40 and 8,203,213.60 is: 12,304,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623,117.60 : 12,934,676.40 = 8,203,213.60 : x
  2. Step 2: Convert to fraction form
    8,623,117.60/12,934,676.40 = 8,203,213.60/x
  3. Step 3: Cross multiply
    8,623,117.60x = 12,934,676.40 × 8,203,213.60
  4. Step 4: Simplify right side
    8,623,117.60x = 106,105,913,356,079.03
  5. Step 5: Solve for x
    x = 106,105,913,356,079.03/8,623,117.60
  6. Step 6: Final answer
    x = 12,304,820.40

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Double scale
Find fourth proportional to 8,623,118.60, 12,934,677.90 and 8,203,214.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.