Home / 9,279,451.80-12,805,615.80-5,150,104.92

Finding the Fourth Proportional to 9,279,451.80, 12,805,615.80 and 5,150,104.92

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Solution

The fourth proportional to 9,279,451.80, 12,805,615.80 and 5,150,104.92 is: 7,107,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,451.80 : 12,805,615.80 = 5,150,104.92 : x
  2. Step 2: Convert to fraction form
    9,279,451.80/12,805,615.80 = 5,150,104.92/x
  3. Step 3: Cross multiply
    9,279,451.80x = 12,805,615.80 × 5,150,104.92
  4. Step 4: Simplify right side
    9,279,451.80x = 65,950,264,935,209.74
  5. Step 5: Solve for x
    x = 65,950,264,935,209.74/9,279,451.80
  6. Step 6: Final answer
    x = 7,107,129.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.