Home / 31,906,105.64-47,849,119.96-10,335,702.72

Finding the Fourth Proportional to 31,906,105.64, 47,849,119.96 and 10,335,702.72

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Solution

The fourth proportional to 31,906,105.64, 47,849,119.96 and 10,335,702.72 is: 15,500,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906,105.64 : 47,849,119.96 = 10,335,702.72 : x
  2. Step 2: Convert to fraction form
    31,906,105.64/47,849,119.96 = 10,335,702.72/x
  3. Step 3: Cross multiply
    31,906,105.64x = 47,849,119.96 × 10,335,702.72
  4. Step 4: Simplify right side
    31,906,105.64x = 494,554,279,320,178.31
  5. Step 5: Solve for x
    x = 494,554,279,320,178.31/31,906,105.64
  6. Step 6: Final answer
    x = 15,500,302.20

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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.