Home / 28,785,791.43-39,723,312.33-15,732,944.37

Finding the Fourth Proportional to 28,785,791.43, 39,723,312.33 and 15,732,944.37

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Solution

The fourth proportional to 28,785,791.43, 39,723,312.33 and 15,732,944.37 is: 21,710,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785,791.43 : 39,723,312.33 = 15,732,944.37 : x
  2. Step 2: Convert to fraction form
    28,785,791.43/39,723,312.33 = 15,732,944.37/x
  3. Step 3: Cross multiply
    28,785,791.43x = 39,723,312.33 × 15,732,944.37
  4. Step 4: Simplify right side
    28,785,791.43x = 624,964,663,080,025
  5. Step 5: Solve for x
    x = 624,964,663,080,025/28,785,791.43
  6. Step 6: Final answer
    x = 21,710,873.04

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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.