Home / 38,690,327.20-58,080,188.40-20,774,423.20

Finding the Fourth Proportional to 38,690,327.20, 58,080,188.40 and 20,774,423.20

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Solution

The fourth proportional to 38,690,327.20, 58,080,188.40 and 20,774,423.20 is: 31,185,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690,327.20 : 58,080,188.40 = 20,774,423.20 : x
  2. Step 2: Convert to fraction form
    38,690,327.20/58,080,188.40 = 20,774,423.20/x
  3. Step 3: Cross multiply
    38,690,327.20x = 58,080,188.40 × 20,774,423.20
  4. Step 4: Simplify right side
    38,690,327.20x = 1,206,582,413,357,330.75
  5. Step 5: Solve for x
    x = 1,206,582,413,357,330.75/38,690,327.20
  6. Step 6: Final answer
    x = 31,185,634.77

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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.