Home / 10,086,687-13,919,631.30-6,465,015

Finding the Fourth Proportional to 10,086,687, 13,919,631.30 and 6,465,015

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Solution

The fourth proportional to 10,086,687, 13,919,631.30 and 6,465,015 is: 8,921,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,687 : 13,919,631.30 = 6,465,015 : x
  2. Step 2: Convert to fraction form
    10,086,687/13,919,631.30 = 6,465,015/x
  3. Step 3: Cross multiply
    10,086,687x = 13,919,631.30 × 6,465,015
  4. Step 4: Simplify right side
    10,086,687x = 89,990,625,148,969.50
  5. Step 5: Solve for x
    x = 89,990,625,148,969.50/10,086,687
  6. Step 6: Final answer
    x = 8,921,722.78

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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.