Home / 7,484,593.20-11,226,889.80-7,190,660.40

Finding the Fourth Proportional to 7,484,593.20, 11,226,889.80 and 7,190,660.40

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Solution

The fourth proportional to 7,484,593.20, 11,226,889.80 and 7,190,660.40 is: 10,785,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484,593.20 : 11,226,889.80 = 7,190,660.40 : x
  2. Step 2: Convert to fraction form
    7,484,593.20/11,226,889.80 = 7,190,660.40/x
  3. Step 3: Cross multiply
    7,484,593.20x = 11,226,889.80 × 7,190,660.40
  4. Step 4: Simplify right side
    7,484,593.20x = 80,728,751,900,023.92
  5. Step 5: Solve for x
    x = 80,728,751,900,023.92/7,484,593.20
  6. Step 6: Final answer
    x = 10,785,990.60

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Similar ratio
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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.