Home / 8,663,021.40-12,994,532.10-8,243,117.40

Finding the Fourth Proportional to 8,663,021.40, 12,994,532.10 and 8,243,117.40

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Solution

The fourth proportional to 8,663,021.40, 12,994,532.10 and 8,243,117.40 is: 12,364,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,021.40 : 12,994,532.10 = 8,243,117.40 : x
  2. Step 2: Convert to fraction form
    8,663,021.40/12,994,532.10 = 8,243,117.40/x
  3. Step 3: Cross multiply
    8,663,021.40x = 12,994,532.10 × 8,243,117.40
  4. Step 4: Simplify right side
    8,663,021.40x = 107,115,453,658,368.55
  5. Step 5: Solve for x
    x = 107,115,453,658,368.55/8,663,021.40
  6. Step 6: Final answer
    x = 12,364,676.10

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Double scale
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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.