Home / 18,153,011.20-27,229,516.80-6,638,456.20

Finding the Fourth Proportional to 18,153,011.20, 27,229,516.80 and 6,638,456.20

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Solution

The fourth proportional to 18,153,011.20, 27,229,516.80 and 6,638,456.20 is: 9,957,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153,011.20 : 27,229,516.80 = 6,638,456.20 : x
  2. Step 2: Convert to fraction form
    18,153,011.20/27,229,516.80 = 6,638,456.20/x
  3. Step 3: Cross multiply
    18,153,011.20x = 27,229,516.80 × 6,638,456.20
  4. Step 4: Simplify right side
    18,153,011.20x = 180,761,954,623,964.16
  5. Step 5: Solve for x
    x = 180,761,954,623,964.16/18,153,011.20
  6. Step 6: Final answer
    x = 9,957,684.30

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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.