Home / 38,827,900.20-58,279,175.10-19,680,277.80

Finding the Fourth Proportional to 38,827,900.20, 58,279,175.10 and 19,680,277.80

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Solution

The fourth proportional to 38,827,900.20, 58,279,175.10 and 19,680,277.80 is: 29,539,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827,900.20 : 58,279,175.10 = 19,680,277.80 : x
  2. Step 2: Convert to fraction form
    38,827,900.20/58,279,175.10 = 19,680,277.80/x
  3. Step 3: Cross multiply
    38,827,900.20x = 58,279,175.10 × 19,680,277.80
  4. Step 4: Simplify right side
    38,827,900.20x = 1,146,950,355,922,842.75
  5. Step 5: Solve for x
    x = 1,146,950,355,922,842.75/38,827,900.20
  6. Step 6: Final answer
    x = 29,539,335.12

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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.