Home / 20,856,264.98-31,244,044.50-11,730,635.69

Finding the Fourth Proportional to 20,856,264.98, 31,244,044.50 and 11,730,635.69

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Solution

The fourth proportional to 20,856,264.98, 31,244,044.50 and 11,730,635.69 is: 17,573,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,264.98 : 31,244,044.50 = 11,730,635.69 : x
  2. Step 2: Convert to fraction form
    20,856,264.98/31,244,044.50 = 11,730,635.69/x
  3. Step 3: Cross multiply
    20,856,264.98x = 31,244,044.50 × 11,730,635.69
  4. Step 4: Simplify right side
    20,856,264.98x = 366,512,503,355,428
  5. Step 5: Solve for x
    x = 366,512,503,355,428/20,856,264.98
  6. Step 6: Final answer
    x = 17,573,256.95

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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.