Home / 31,955,673.75-47,935,528.49-13,508,178.85

Finding the Fourth Proportional to 31,955,673.75, 47,935,528.49 and 13,508,178.85

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Solution

The fourth proportional to 31,955,673.75, 47,935,528.49 and 13,508,178.85 is: 20,263,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955,673.75 : 47,935,528.49 = 13,508,178.85 : x
  2. Step 2: Convert to fraction form
    31,955,673.75/47,935,528.49 = 13,508,178.85/x
  3. Step 3: Cross multiply
    31,955,673.75x = 47,935,528.49 × 13,508,178.85
  4. Step 4: Simplify right side
    31,955,673.75x = 647,521,692,044,649.50
  5. Step 5: Solve for x
    x = 647,521,692,044,649.50/31,955,673.75
  6. Step 6: Final answer
    x = 20,263,121.26

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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.