Home / 31,897,890.30-47,842,169.85-9,176,418.30

Finding the Fourth Proportional to 31,897,890.30, 47,842,169.85 and 9,176,418.30

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Solution

The fourth proportional to 31,897,890.30, 47,842,169.85 and 9,176,418.30 is: 13,763,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897,890.30 : 47,842,169.85 = 9,176,418.30 : x
  2. Step 2: Convert to fraction form
    31,897,890.30/47,842,169.85 = 9,176,418.30/x
  3. Step 3: Cross multiply
    31,897,890.30x = 47,842,169.85 × 9,176,418.30
  4. Step 4: Simplify right side
    31,897,890.30x = 439,019,762,923,248.31
  5. Step 5: Solve for x
    x = 439,019,762,923,248.31/31,897,890.30
  6. Step 6: Final answer
    x = 13,763,285.25

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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.