Home / 12,564,057.80-18,846,086.70-8,259,385.70

Finding the Fourth Proportional to 12,564,057.80, 18,846,086.70 and 8,259,385.70

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Solution

The fourth proportional to 12,564,057.80, 18,846,086.70 and 8,259,385.70 is: 12,389,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564,057.80 : 18,846,086.70 = 8,259,385.70 : x
  2. Step 2: Convert to fraction form
    12,564,057.80/18,846,086.70 = 8,259,385.70/x
  3. Step 3: Cross multiply
    12,564,057.80x = 18,846,086.70 × 8,259,385.70
  4. Step 4: Simplify right side
    12,564,057.80x = 155,657,098,990,940.19
  5. Step 5: Solve for x
    x = 155,657,098,990,940.19/12,564,057.80
  6. Step 6: Final answer
    x = 12,389,078.55

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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.