Home / 8,897,200.20-13,345,800.30-7,409,165.40

Finding the Fourth Proportional to 8,897,200.20, 13,345,800.30 and 7,409,165.40

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Solution

The fourth proportional to 8,897,200.20, 13,345,800.30 and 7,409,165.40 is: 11,113,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897,200.20 : 13,345,800.30 = 7,409,165.40 : x
  2. Step 2: Convert to fraction form
    8,897,200.20/13,345,800.30 = 7,409,165.40/x
  3. Step 3: Cross multiply
    8,897,200.20x = 13,345,800.30 × 7,409,165.40
  4. Step 4: Simplify right side
    8,897,200.20x = 98,881,241,818,069.62
  5. Step 5: Solve for x
    x = 98,881,241,818,069.62/8,897,200.20
  6. Step 6: Final answer
    x = 11,113,748.10

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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.