Home / 12,687,080.68-17,508,339.30-6,885,931.96

Finding the Fourth Proportional to 12,687,080.68, 17,508,339.30 and 6,885,931.96

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Solution

The fourth proportional to 12,687,080.68, 17,508,339.30 and 6,885,931.96 is: 9,502,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,080.68 : 17,508,339.30 = 6,885,931.96 : x
  2. Step 2: Convert to fraction form
    12,687,080.68/17,508,339.30 = 6,885,931.96/x
  3. Step 3: Cross multiply
    12,687,080.68x = 17,508,339.30 × 6,885,931.96
  4. Step 4: Simplify right side
    12,687,080.68x = 120,561,233,152,394.03
  5. Step 5: Solve for x
    x = 120,561,233,152,394.03/12,687,080.68
  6. Step 6: Final answer
    x = 9,502,677.27

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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.