Home / 18,259,242.40-27,393,412.72-5,479,983.52

Finding the Fourth Proportional to 18,259,242.40, 27,393,412.72 and 5,479,983.52

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Solution

The fourth proportional to 18,259,242.40, 27,393,412.72 and 5,479,983.52 is: 8,221,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259,242.40 : 27,393,412.72 = 5,479,983.52 : x
  2. Step 2: Convert to fraction form
    18,259,242.40/27,393,412.72 = 5,479,983.52/x
  3. Step 3: Cross multiply
    18,259,242.40x = 27,393,412.72 × 5,479,983.52
  4. Step 4: Simplify right side
    18,259,242.40x = 150,115,450,262,158.34
  5. Step 5: Solve for x
    x = 150,115,450,262,158.34/18,259,242.40
  6. Step 6: Final answer
    x = 8,221,340.57

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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.