Home / 11,676,257.28-17,513,316-8,279,117.28

Finding the Fourth Proportional to 11,676,257.28, 17,513,316 and 8,279,117.28

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Solution

The fourth proportional to 11,676,257.28, 17,513,316 and 8,279,117.28 is: 12,417,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676,257.28 : 17,513,316 = 8,279,117.28 : x
  2. Step 2: Convert to fraction form
    11,676,257.28/17,513,316 = 8,279,117.28/x
  3. Step 3: Cross multiply
    11,676,257.28x = 17,513,316 × 8,279,117.28
  4. Step 4: Simplify right side
    11,676,257.28x = 144,994,797,125,700.50
  5. Step 5: Solve for x
    x = 144,994,797,125,700.50/11,676,257.28
  6. Step 6: Final answer
    x = 12,417,917.29

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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.