Home / 48,386,436.80-72,612,832.80-21,479,403.20

Finding the Fourth Proportional to 48,386,436.80, 72,612,832.80 and 21,479,403.20

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Solution

The fourth proportional to 48,386,436.80, 72,612,832.80 and 21,479,403.20 is: 32,233,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,436.80 : 72,612,832.80 = 21,479,403.20 : x
  2. Step 2: Convert to fraction form
    48,386,436.80/72,612,832.80 = 21,479,403.20/x
  3. Step 3: Cross multiply
    48,386,436.80x = 72,612,832.80 × 21,479,403.20
  4. Step 4: Simplify right side
    48,386,436.80x = 1,559,680,313,205,384.75
  5. Step 5: Solve for x
    x = 1,559,680,313,205,384.75/48,386,436.80
  6. Step 6: Final answer
    x = 32,233,832.79

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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.