Home / 31,324,359.60-46,972,542.60-12,148,743.60

Finding the Fourth Proportional to 31,324,359.60, 46,972,542.60 and 12,148,743.60

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Solution

The fourth proportional to 31,324,359.60, 46,972,542.60 and 12,148,743.60 is: 18,217,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324,359.60 : 46,972,542.60 = 12,148,743.60 : x
  2. Step 2: Convert to fraction form
    31,324,359.60/46,972,542.60 = 12,148,743.60/x
  3. Step 3: Cross multiply
    31,324,359.60x = 46,972,542.60 × 12,148,743.60
  4. Step 4: Simplify right side
    31,324,359.60x = 570,657,376,287,477.38
  5. Step 5: Solve for x
    x = 570,657,376,287,477.38/31,324,359.60
  6. Step 6: Final answer
    x = 18,217,686.92

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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.