Home / 12,799,827.35-17,668,565.12-8,389,837.11

Finding the Fourth Proportional to 12,799,827.35, 17,668,565.12 and 8,389,837.11

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Solution

The fourth proportional to 12,799,827.35, 17,668,565.12 and 8,389,837.11 is: 11,581,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,827.35 : 17,668,565.12 = 8,389,837.11 : x
  2. Step 2: Convert to fraction form
    12,799,827.35/17,668,565.12 = 8,389,837.11/x
  3. Step 3: Cross multiply
    12,799,827.35x = 17,668,565.12 × 8,389,837.11
  4. Step 4: Simplify right side
    12,799,827.35x = 148,236,383,345,202.19
  5. Step 5: Solve for x
    x = 148,236,383,345,202.19/12,799,827.35
  6. Step 6: Final answer
    x = 11,581,123.66

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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.