Home / 18,447,216.45-27,687,616.18-9,818,561.04

Finding the Fourth Proportional to 18,447,216.45, 27,687,616.18 and 9,818,561.04

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Solution

The fourth proportional to 18,447,216.45, 27,687,616.18 and 9,818,561.04 is: 14,736,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,216.45 : 27,687,616.18 = 9,818,561.04 : x
  2. Step 2: Convert to fraction form
    18,447,216.45/27,687,616.18 = 9,818,561.04/x
  3. Step 3: Cross multiply
    18,447,216.45x = 27,687,616.18 × 9,818,561.04
  4. Step 4: Simplify right side
    18,447,216.45x = 271,852,549,515,421.59
  5. Step 5: Solve for x
    x = 271,852,549,515,421.59/18,447,216.45
  6. Step 6: Final answer
    x = 14,736,778.87

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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.