Home / 7,392,255.20-11,088,382.80-3,608,165.60

Finding the Fourth Proportional to 7,392,255.20, 11,088,382.80 and 3,608,165.60

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Solution

The fourth proportional to 7,392,255.20, 11,088,382.80 and 3,608,165.60 is: 5,412,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,255.20 : 11,088,382.80 = 3,608,165.60 : x
  2. Step 2: Convert to fraction form
    7,392,255.20/11,088,382.80 = 3,608,165.60/x
  3. Step 3: Cross multiply
    7,392,255.20x = 11,088,382.80 × 3,608,165.60
  4. Step 4: Simplify right side
    7,392,255.20x = 40,008,721,378,591.69
  5. Step 5: Solve for x
    x = 40,008,721,378,591.69/7,392,255.20
  6. Step 6: Final answer
    x = 5,412,248.40

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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.