Home / 7,185,891.20-10,778,836.80-3,592,212.80

Finding the Fourth Proportional to 7,185,891.20, 10,778,836.80 and 3,592,212.80

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Solution

The fourth proportional to 7,185,891.20, 10,778,836.80 and 3,592,212.80 is: 5,388,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,891.20 : 10,778,836.80 = 3,592,212.80 : x
  2. Step 2: Convert to fraction form
    7,185,891.20/10,778,836.80 = 3,592,212.80/x
  3. Step 3: Cross multiply
    7,185,891.20x = 10,778,836.80 × 3,592,212.80
  4. Step 4: Simplify right side
    7,185,891.20x = 38,719,875,522,071.04
  5. Step 5: Solve for x
    x = 38,719,875,522,071.04/7,185,891.20
  6. Step 6: Final answer
    x = 5,388,319.20

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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.