Home / 25,472,505.70-35,147,387.70-15,021,800.38

Finding the Fourth Proportional to 25,472,505.70, 35,147,387.70 and 15,021,800.38

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Solution

The fourth proportional to 25,472,505.70, 35,147,387.70 and 15,021,800.38 is: 20,727,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472,505.70 : 35,147,387.70 = 15,021,800.38 : x
  2. Step 2: Convert to fraction form
    25,472,505.70/35,147,387.70 = 15,021,800.38/x
  3. Step 3: Cross multiply
    25,472,505.70x = 35,147,387.70 × 15,021,800.38
  4. Step 4: Simplify right side
    25,472,505.70x = 527,977,041,907,867.38
  5. Step 5: Solve for x
    x = 527,977,041,907,867.38/25,472,505.70
  6. Step 6: Final answer
    x = 20,727,330.41

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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.