Home / 12,480,932.70-18,721,399.05-11,062,590.30

Finding the Fourth Proportional to 12,480,932.70, 18,721,399.05 and 11,062,590.30

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Solution

The fourth proportional to 12,480,932.70, 18,721,399.05 and 11,062,590.30 is: 16,593,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,932.70 : 18,721,399.05 = 11,062,590.30 : x
  2. Step 2: Convert to fraction form
    12,480,932.70/18,721,399.05 = 11,062,590.30/x
  3. Step 3: Cross multiply
    12,480,932.70x = 18,721,399.05 × 11,062,590.30
  4. Step 4: Simplify right side
    12,480,932.70x = 207,107,167,532,959.25
  5. Step 5: Solve for x
    x = 207,107,167,532,959.25/12,480,932.70
  6. Step 6: Final answer
    x = 16,593,885.45

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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.