Home / 10,379,863.90-15,569,795.85-9,791,998.30

Finding the Fourth Proportional to 10,379,863.90, 15,569,795.85 and 9,791,998.30

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Solution

The fourth proportional to 10,379,863.90, 15,569,795.85 and 9,791,998.30 is: 14,687,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379,863.90 : 15,569,795.85 = 9,791,998.30 : x
  2. Step 2: Convert to fraction form
    10,379,863.90/15,569,795.85 = 9,791,998.30/x
  3. Step 3: Cross multiply
    10,379,863.90x = 15,569,795.85 × 9,791,998.30
  4. Step 4: Simplify right side
    10,379,863.90x = 152,459,414,494,547.06
  5. Step 5: Solve for x
    x = 152,459,414,494,547.06/10,379,863.90
  6. Step 6: Final answer
    x = 14,687,997.45

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Double scale
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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.