Home / 12,231,218.08-18,306,905.48-8,991,897.92

Finding the Fourth Proportional to 12,231,218.08, 18,306,905.48 and 8,991,897.92

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Solution

The fourth proportional to 12,231,218.08, 18,306,905.48 and 8,991,897.92 is: 13,458,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,218.08 : 18,306,905.48 = 8,991,897.92 : x
  2. Step 2: Convert to fraction form
    12,231,218.08/18,306,905.48 = 8,991,897.92/x
  3. Step 3: Cross multiply
    12,231,218.08x = 18,306,905.48 × 8,991,897.92
  4. Step 4: Simplify right side
    12,231,218.08x = 164,613,825,307,248.59
  5. Step 5: Solve for x
    x = 164,613,825,307,248.59/12,231,218.08
  6. Step 6: Final answer
    x = 13,458,498.10

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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.