Home / 10,388,219.90-15,564,615.15-8,864,755.70

Finding the Fourth Proportional to 10,388,219.90, 15,564,615.15 and 8,864,755.70

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Solution

The fourth proportional to 10,388,219.90, 15,564,615.15 and 8,864,755.70 is: 13,282,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,219.90 : 15,564,615.15 = 8,864,755.70 : x
  2. Step 2: Convert to fraction form
    10,388,219.90/15,564,615.15 = 8,864,755.70/x
  3. Step 3: Cross multiply
    10,388,219.90x = 15,564,615.15 × 8,864,755.70
  4. Step 4: Simplify right side
    10,388,219.90x = 137,976,510,869,268.84
  5. Step 5: Solve for x
    x = 137,976,510,869,268.84/10,388,219.90
  6. Step 6: Final answer
    x = 13,282,016.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.