Home / 18,257,919.40-27,389,549.40-5,479,433.92

Finding the Fourth Proportional to 18,257,919.40, 27,389,549.40 and 5,479,433.92

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Solution

The fourth proportional to 18,257,919.40, 27,389,549.40 and 5,479,433.92 is: 8,219,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,919.40 : 27,389,549.40 = 5,479,433.92 : x
  2. Step 2: Convert to fraction form
    18,257,919.40/27,389,549.40 = 5,479,433.92/x
  3. Step 3: Cross multiply
    18,257,919.40x = 27,389,549.40 × 5,479,433.92
  4. Step 4: Simplify right side
    18,257,919.40x = 150,079,226,035,875.62
  5. Step 5: Solve for x
    x = 150,079,226,035,875.62/18,257,919.40
  6. Step 6: Final answer
    x = 8,219,952.27

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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.