Home / 7,420,923.40-11,131,385.10-5,739,233.80

Finding the Fourth Proportional to 7,420,923.40, 11,131,385.10 and 5,739,233.80

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Solution

The fourth proportional to 7,420,923.40, 11,131,385.10 and 5,739,233.80 is: 8,608,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,923.40 : 11,131,385.10 = 5,739,233.80 : x
  2. Step 2: Convert to fraction form
    7,420,923.40/11,131,385.10 = 5,739,233.80/x
  3. Step 3: Cross multiply
    7,420,923.40x = 11,131,385.10 × 5,739,233.80
  4. Step 4: Simplify right side
    7,420,923.40x = 63,885,621,606,736.38
  5. Step 5: Solve for x
    x = 63,885,621,606,736.38/7,420,923.40
  6. Step 6: Final answer
    x = 8,608,850.70

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1.5x scale

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.