Home / 18,259,080.76-27,388,932.18-6,904,876.60

Finding the Fourth Proportional to 18,259,080.76, 27,388,932.18 and 6,904,876.60

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Solution

The fourth proportional to 18,259,080.76, 27,388,932.18 and 6,904,876.60 is: 10,357,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259,080.76 : 27,388,932.18 = 6,904,876.60 : x
  2. Step 2: Convert to fraction form
    18,259,080.76/27,388,932.18 = 6,904,876.60/x
  3. Step 3: Cross multiply
    18,259,080.76x = 27,388,932.18 × 6,904,876.60
  4. Step 4: Simplify right side
    18,259,080.76x = 189,117,196,908,668.97
  5. Step 5: Solve for x
    x = 189,117,196,908,668.97/18,259,080.76
  6. Step 6: Final answer
    x = 10,357,432.52

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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.