Home / 25,538,870-35,244,384.90-13,937,180.78

Finding the Fourth Proportional to 25,538,870, 35,244,384.90 and 13,937,180.78

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Solution

The fourth proportional to 25,538,870, 35,244,384.90 and 13,937,180.78 is: 19,233,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538,870 : 35,244,384.90 = 13,937,180.78 : x
  2. Step 2: Convert to fraction form
    25,538,870/35,244,384.90 = 13,937,180.78/x
  3. Step 3: Cross multiply
    25,538,870x = 35,244,384.90 × 13,937,180.78
  4. Step 4: Simplify right side
    25,538,870x = 491,207,363,831,202.19
  5. Step 5: Solve for x
    x = 491,207,363,831,202.19/25,538,870
  6. Step 6: Final answer
    x = 19,233,715.66

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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.