Home / 20,726,899.58-31,117,290.93-15,937,951.86

Finding the Fourth Proportional to 20,726,899.58, 31,117,290.93 and 15,937,951.86

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Solution

The fourth proportional to 20,726,899.58, 31,117,290.93 and 15,937,951.86 is: 23,927,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,899.58 : 31,117,290.93 = 15,937,951.86 : x
  2. Step 2: Convert to fraction form
    20,726,899.58/31,117,290.93 = 15,937,951.86/x
  3. Step 3: Cross multiply
    20,726,899.58x = 31,117,290.93 × 15,937,951.86
  4. Step 4: Simplify right side
    20,726,899.58x = 495,945,884,855,954.62
  5. Step 5: Solve for x
    x = 495,945,884,855,954.62/20,726,899.58
  6. Step 6: Final answer
    x = 23,927,644.50

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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.