Home / 12,674,789.91-17,491,949.87-7,168,652.91

Finding the Fourth Proportional to 12,674,789.91, 17,491,949.87 and 7,168,652.91

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Solution

The fourth proportional to 12,674,789.91, 17,491,949.87 and 7,168,652.91 is: 9,893,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,789.91 : 17,491,949.87 = 7,168,652.91 : x
  2. Step 2: Convert to fraction form
    12,674,789.91/17,491,949.87 = 7,168,652.91/x
  3. Step 3: Cross multiply
    12,674,789.91x = 17,491,949.87 × 7,168,652.91
  4. Step 4: Simplify right side
    12,674,789.91x = 125,393,717,301,306.34
  5. Step 5: Solve for x
    x = 125,393,717,301,306.34/12,674,789.91
  6. Step 6: Final answer
    x = 9,893,159.43

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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.