Home / 12,979,996.48-17,917,910.51-8,087,635.88

Finding the Fourth Proportional to 12,979,996.48, 17,917,910.51 and 8,087,635.88

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Solution

The fourth proportional to 12,979,996.48, 17,917,910.51 and 8,087,635.88 is: 11,164,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,996.48 : 17,917,910.51 = 8,087,635.88 : x
  2. Step 2: Convert to fraction form
    12,979,996.48/17,917,910.51 = 8,087,635.88/x
  3. Step 3: Cross multiply
    12,979,996.48x = 17,917,910.51 × 8,087,635.88
  4. Step 4: Simplify right side
    12,979,996.48x = 144,913,535,935,305.12
  5. Step 5: Solve for x
    x = 144,913,535,935,305.12/12,979,996.48
  6. Step 6: Final answer
    x = 11,164,374.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.