Home / 48,121,352.82-72,186,272.91-13,578,057.54

Finding the Fourth Proportional to 48,121,352.82, 72,186,272.91 and 13,578,057.54

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Solution

The fourth proportional to 48,121,352.82, 72,186,272.91 and 13,578,057.54 is: 20,368,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121,352.82 : 72,186,272.91 = 13,578,057.54 : x
  2. Step 2: Convert to fraction form
    48,121,352.82/72,186,272.91 = 13,578,057.54/x
  3. Step 3: Cross multiply
    48,121,352.82x = 72,186,272.91 × 13,578,057.54
  4. Step 4: Simplify right side
    48,121,352.82x = 980,149,367,170,123.12
  5. Step 5: Solve for x
    x = 980,149,367,170,123.12/48,121,352.82
  6. Step 6: Final answer
    x = 20,368,283.72

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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.