Home / 18,438,410.80-27,657,616.20-8,872,472.80

Finding the Fourth Proportional to 18,438,410.80, 27,657,616.20 and 8,872,472.80

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Solution

The fourth proportional to 18,438,410.80, 27,657,616.20 and 8,872,472.80 is: 13,308,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,410.80 : 27,657,616.20 = 8,872,472.80 : x
  2. Step 2: Convert to fraction form
    18,438,410.80/27,657,616.20 = 8,872,472.80/x
  3. Step 3: Cross multiply
    18,438,410.80x = 27,657,616.20 × 8,872,472.80
  4. Step 4: Simplify right side
    18,438,410.80x = 245,391,447,447,339.38
  5. Step 5: Solve for x
    x = 245,391,447,447,339.38/18,438,410.80
  6. Step 6: Final answer
    x = 13,308,709.20

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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.