Home / 10,098,781.40-13,936,429.14-5,515,237.64

Finding the Fourth Proportional to 10,098,781.40, 13,936,429.14 and 5,515,237.64

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Solution

The fourth proportional to 10,098,781.40, 13,936,429.14 and 5,515,237.64 is: 7,611,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098,781.40 : 13,936,429.14 = 5,515,237.64 : x
  2. Step 2: Convert to fraction form
    10,098,781.40/13,936,429.14 = 5,515,237.64/x
  3. Step 3: Cross multiply
    10,098,781.40x = 13,936,429.14 × 5,515,237.64
  4. Step 4: Simplify right side
    10,098,781.40x = 76,862,718,560,120.83
  5. Step 5: Solve for x
    x = 76,862,718,560,120.83/10,098,781.40
  6. Step 6: Final answer
    x = 7,611,088.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.