Home / 38,334,414.72-52,902,228.88-20,931,449.68

Finding the Fourth Proportional to 38,334,414.72, 52,902,228.88 and 20,931,449.68

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Solution

The fourth proportional to 38,334,414.72, 52,902,228.88 and 20,931,449.68 is: 28,885,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,334,414.72 : 52,902,228.88 = 20,931,449.68 : x
  2. Step 2: Convert to fraction form
    38,334,414.72/52,902,228.88 = 20,931,449.68/x
  3. Step 3: Cross multiply
    38,334,414.72x = 52,902,228.88 × 20,931,449.68
  4. Step 4: Simplify right side
    38,334,414.72x = 1,107,320,341,761,562.75
  5. Step 5: Solve for x
    x = 1,107,320,341,761,562.75/38,334,414.72
  6. Step 6: Final answer
    x = 28,885,802.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.