Home / 18,106,773.90-25,053,145.23-15,788,500.57

Finding the Fourth Proportional to 18,106,773.90, 25,053,145.23 and 15,788,500.57

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Solution

The fourth proportional to 18,106,773.90, 25,053,145.23 and 15,788,500.57 is: 21,845,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106,773.90 : 25,053,145.23 = 15,788,500.57 : x
  2. Step 2: Convert to fraction form
    18,106,773.90/25,053,145.23 = 15,788,500.57/x
  3. Step 3: Cross multiply
    18,106,773.90x = 25,053,145.23 × 15,788,500.57
  4. Step 4: Simplify right side
    18,106,773.90x = 395,551,597,744,147.81
  5. Step 5: Solve for x
    x = 395,551,597,744,147.81/18,106,773.90
  6. Step 6: Final answer
    x = 21,845,503.78

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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.