Home / 18,695,932.79-27,986,432.54-15,937,830.90

Finding the Fourth Proportional to 18,695,932.79, 27,986,432.54 and 15,937,830.90

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Solution

The fourth proportional to 18,695,932.79, 27,986,432.54 and 15,937,830.90 is: 23,857,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,932.79 : 27,986,432.54 = 15,937,830.90 : x
  2. Step 2: Convert to fraction form
    18,695,932.79/27,986,432.54 = 15,937,830.90/x
  3. Step 3: Cross multiply
    18,695,932.79x = 27,986,432.54 × 15,937,830.90
  4. Step 4: Simplify right side
    18,695,932.79x = 446,043,029,237,088.38
  5. Step 5: Solve for x
    x = 446,043,029,237,088.38/18,695,932.79
  6. Step 6: Final answer
    x = 23,857,757.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.