Home / 28,377,446.11-39,160,875.23-15,324,704.64

Finding the Fourth Proportional to 28,377,446.11, 39,160,875.23 and 15,324,704.64

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Solution

The fourth proportional to 28,377,446.11, 39,160,875.23 and 15,324,704.64 is: 21,148,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,446.11 : 39,160,875.23 = 15,324,704.64 : x
  2. Step 2: Convert to fraction form
    28,377,446.11/39,160,875.23 = 15,324,704.64/x
  3. Step 3: Cross multiply
    28,377,446.11x = 39,160,875.23 × 15,324,704.64
  4. Step 4: Simplify right side
    28,377,446.11x = 600,128,846,343,642
  5. Step 5: Solve for x
    x = 600,128,846,343,642/28,377,446.11
  6. Step 6: Final answer
    x = 21,148,092.19

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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.