Home / 10,206,017.20-15,309,025.80-8,664,838.30

Finding the Fourth Proportional to 10,206,017.20, 15,309,025.80 and 8,664,838.30

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Solution

The fourth proportional to 10,206,017.20, 15,309,025.80 and 8,664,838.30 is: 12,997,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,017.20 : 15,309,025.80 = 8,664,838.30 : x
  2. Step 2: Convert to fraction form
    10,206,017.20/15,309,025.80 = 8,664,838.30/x
  3. Step 3: Cross multiply
    10,206,017.20x = 15,309,025.80 × 8,664,838.30
  4. Step 4: Simplify right side
    10,206,017.20x = 132,650,233,087,528.16
  5. Step 5: Solve for x
    x = 132,650,233,087,528.16/10,206,017.20
  6. Step 6: Final answer
    x = 12,997,257.45

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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.