Home / 10,077,187.80-15,115,781.70-8,282,098.20

Finding the Fourth Proportional to 10,077,187.80, 15,115,781.70 and 8,282,098.20

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Solution

The fourth proportional to 10,077,187.80, 15,115,781.70 and 8,282,098.20 is: 12,423,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,187.80 : 15,115,781.70 = 8,282,098.20 : x
  2. Step 2: Convert to fraction form
    10,077,187.80/15,115,781.70 = 8,282,098.20/x
  3. Step 3: Cross multiply
    10,077,187.80x = 15,115,781.70 × 8,282,098.20
  4. Step 4: Simplify right side
    10,077,187.80x = 125,190,388,409,162.94
  5. Step 5: Solve for x
    x = 125,190,388,409,162.94/10,077,187.80
  6. Step 6: Final answer
    x = 12,423,147.30

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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.