Home / 40,332,983.20-60,499,474.80-13,406,639.20

Finding the Fourth Proportional to 40,332,983.20, 60,499,474.80 and 13,406,639.20

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Solution

The fourth proportional to 40,332,983.20, 60,499,474.80 and 13,406,639.20 is: 20,109,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,332,983.20 : 60,499,474.80 = 13,406,639.20 : x
  2. Step 2: Convert to fraction form
    40,332,983.20/60,499,474.80 = 13,406,639.20/x
  3. Step 3: Cross multiply
    40,332,983.20x = 60,499,474.80 × 13,406,639.20
  4. Step 4: Simplify right side
    40,332,983.20x = 811,094,630,433,092.12
  5. Step 5: Solve for x
    x = 811,094,630,433,092.12/40,332,983.20
  6. Step 6: Final answer
    x = 20,109,958.80

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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.