Home / 47,440,468.16-71,146,742.55-21,517,772.48

Finding the Fourth Proportional to 47,440,468.16, 71,146,742.55 and 21,517,772.48

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Solution

The fourth proportional to 47,440,468.16, 71,146,742.55 and 21,517,772.48 is: 32,270,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,440,468.16 : 71,146,742.55 = 21,517,772.48 : x
  2. Step 2: Convert to fraction form
    47,440,468.16/71,146,742.55 = 21,517,772.48/x
  3. Step 3: Cross multiply
    47,440,468.16x = 71,146,742.55 × 21,517,772.48
  4. Step 4: Simplify right side
    47,440,468.16x = 1,530,919,418,528,301.25
  5. Step 5: Solve for x
    x = 1,530,919,418,528,301.25/47,440,468.16
  6. Step 6: Final answer
    x = 32,270,326.96

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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.