Home / 14,207,138.10-21,279,214.35-8,538,434.10

Finding the Fourth Proportional to 14,207,138.10, 21,279,214.35 and 8,538,434.10

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Solution

The fourth proportional to 14,207,138.10, 21,279,214.35 and 8,538,434.10 is: 12,788,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207,138.10 : 21,279,214.35 = 8,538,434.10 : x
  2. Step 2: Convert to fraction form
    14,207,138.10/21,279,214.35 = 8,538,434.10/x
  3. Step 3: Cross multiply
    14,207,138.10x = 21,279,214.35 × 8,538,434.10
  4. Step 4: Simplify right side
    14,207,138.10x = 181,691,169,427,249.34
  5. Step 5: Solve for x
    x = 181,691,169,427,249.34/14,207,138.10
  6. Step 6: Final answer
    x = 12,788,724.10

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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.