Home / 12,695,478.71-17,519,764.05-6,894,258.91

Finding the Fourth Proportional to 12,695,478.71, 17,519,764.05 and 6,894,258.91

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Solution

The fourth proportional to 12,695,478.71, 17,519,764.05 and 6,894,258.91 is: 9,514,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695,478.71 : 17,519,764.05 = 6,894,258.91 : x
  2. Step 2: Convert to fraction form
    12,695,478.71/17,519,764.05 = 6,894,258.91/x
  3. Step 3: Cross multiply
    12,695,478.71x = 17,519,764.05 × 6,894,258.91
  4. Step 4: Simplify right side
    12,695,478.71x = 120,785,789,359,010.78
  5. Step 5: Solve for x
    x = 120,785,789,359,010.78/12,695,478.71
  6. Step 6: Final answer
    x = 9,514,079.16

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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.