Home / 31,892,686.11-47,857,596-13,447,474.11

Finding the Fourth Proportional to 31,892,686.11, 47,857,596 and 13,447,474.11

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Solution

The fourth proportional to 31,892,686.11, 47,857,596 and 13,447,474.11 is: 20,179,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892,686.11 : 47,857,596 = 13,447,474.11 : x
  2. Step 2: Convert to fraction form
    31,892,686.11/47,857,596 = 13,447,474.11/x
  3. Step 3: Cross multiply
    31,892,686.11x = 47,857,596 × 13,447,474.11
  4. Step 4: Simplify right side
    31,892,686.11x = 643,563,783,176,839.50
  5. Step 5: Solve for x
    x = 643,563,783,176,839.50/31,892,686.11
  6. Step 6: Final answer
    x = 20,179,039.83

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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.