Home / 31,712,387.87-47,568,670.49-9,855,963.09

Finding the Fourth Proportional to 31,712,387.87, 47,568,670.49 and 9,855,963.09

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Solution

The fourth proportional to 31,712,387.87, 47,568,670.49 and 9,855,963.09 is: 14,783,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712,387.87 : 47,568,670.49 = 9,855,963.09 : x
  2. Step 2: Convert to fraction form
    31,712,387.87/47,568,670.49 = 9,855,963.09/x
  3. Step 3: Cross multiply
    31,712,387.87x = 47,568,670.49 × 9,855,963.09
  4. Step 4: Simplify right side
    31,712,387.87x = 468,835,060,421,610.75
  5. Step 5: Solve for x
    x = 468,835,060,421,610.75/31,712,387.87
  6. Step 6: Final answer
    x = 14,783,972.19

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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.