Home / 18,147,468.40-27,221,202.60-5,366,978.48

Finding the Fourth Proportional to 18,147,468.40, 27,221,202.60 and 5,366,978.48

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Solution

The fourth proportional to 18,147,468.40, 27,221,202.60 and 5,366,978.48 is: 8,050,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,468.40 : 27,221,202.60 = 5,366,978.48 : x
  2. Step 2: Convert to fraction form
    18,147,468.40/27,221,202.60 = 5,366,978.48/x
  3. Step 3: Cross multiply
    18,147,468.40x = 27,221,202.60 × 5,366,978.48
  4. Step 4: Simplify right side
    18,147,468.40x = 146,095,608,553,920.06
  5. Step 5: Solve for x
    x = 146,095,608,553,920.06/18,147,468.40
  6. Step 6: Final answer
    x = 8,050,467.72

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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.