Home / 10,530,092.80-15,795,139.20-5,747,123.80

Finding the Fourth Proportional to 10,530,092.80, 15,795,139.20 and 5,747,123.80

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Solution

The fourth proportional to 10,530,092.80, 15,795,139.20 and 5,747,123.80 is: 8,620,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,092.80 : 15,795,139.20 = 5,747,123.80 : x
  2. Step 2: Convert to fraction form
    10,530,092.80/15,795,139.20 = 5,747,123.80/x
  3. Step 3: Cross multiply
    10,530,092.80x = 15,795,139.20 × 5,747,123.80
  4. Step 4: Simplify right side
    10,530,092.80x = 90,776,620,420,632.95
  5. Step 5: Solve for x
    x = 90,776,620,420,632.95/10,530,092.80
  6. Step 6: Final answer
    x = 8,620,685.70

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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.