Home / 18,074,889.18-27,116,926.47-5,121,025.74

Finding the Fourth Proportional to 18,074,889.18, 27,116,926.47 and 5,121,025.74

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Solution

The fourth proportional to 18,074,889.18, 27,116,926.47 and 5,121,025.74 is: 7,682,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074,889.18 : 27,116,926.47 = 5,121,025.74 : x
  2. Step 2: Convert to fraction form
    18,074,889.18/27,116,926.47 = 5,121,025.74/x
  3. Step 3: Cross multiply
    18,074,889.18x = 27,116,926.47 × 5,121,025.74
  4. Step 4: Simplify right side
    18,074,889.18x = 138,866,478,442,557.34
  5. Step 5: Solve for x
    x = 138,866,478,442,557.34/18,074,889.18
  6. Step 6: Final answer
    x = 7,682,839.83

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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.