Home / 7,897,011.29-11,899,419.83-6,489,230.60

Finding the Fourth Proportional to 7,897,011.29, 11,899,419.83 and 6,489,230.60

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Solution

The fourth proportional to 7,897,011.29, 11,899,419.83 and 6,489,230.60 is: 9,778,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897,011.29 : 11,899,419.83 = 6,489,230.60 : x
  2. Step 2: Convert to fraction form
    7,897,011.29/11,899,419.83 = 6,489,230.60/x
  3. Step 3: Cross multiply
    7,897,011.29x = 11,899,419.83 × 6,489,230.60
  4. Step 4: Simplify right side
    7,897,011.29x = 77,218,079,283,082.80
  5. Step 5: Solve for x
    x = 77,218,079,283,082.80/7,897,011.29
  6. Step 6: Final answer
    x = 9,778,139.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.