Home / 31,507,135.52-47,260,711.37-9,943,424.87

Finding the Fourth Proportional to 31,507,135.52, 47,260,711.37 and 9,943,424.87

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Solution

The fourth proportional to 31,507,135.52, 47,260,711.37 and 9,943,424.87 is: 14,915,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,135.52 : 47,260,711.37 = 9,943,424.87 : x
  2. Step 2: Convert to fraction form
    31,507,135.52/47,260,711.37 = 9,943,424.87/x
  3. Step 3: Cross multiply
    31,507,135.52x = 47,260,711.37 × 9,943,424.87
  4. Step 4: Simplify right side
    31,507,135.52x = 469,933,332,598,904.81
  5. Step 5: Solve for x
    x = 469,933,332,598,904.81/31,507,135.52
  6. Step 6: Final answer
    x = 14,915,139.85

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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.