Home / 31,728,396.40-47,593,722.72-10,160,195.71

Finding the Fourth Proportional to 31,728,396.40, 47,593,722.72 and 10,160,195.71

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Solution

The fourth proportional to 31,728,396.40, 47,593,722.72 and 10,160,195.71 is: 15,240,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728,396.40 : 47,593,722.72 = 10,160,195.71 : x
  2. Step 2: Convert to fraction form
    31,728,396.40/47,593,722.72 = 10,160,195.71/x
  3. Step 3: Cross multiply
    31,728,396.40x = 47,593,722.72 × 10,160,195.71
  4. Step 4: Simplify right side
    31,728,396.40x = 483,561,537,402,673.56
  5. Step 5: Solve for x
    x = 483,561,537,402,673.56/31,728,396.40
  6. Step 6: Final answer
    x = 15,240,654.82

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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.