Home / 18,435,630.80-27,653,446.20-8,869,692.80

Finding the Fourth Proportional to 18,435,630.80, 27,653,446.20 and 8,869,692.80

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Solution

The fourth proportional to 18,435,630.80, 27,653,446.20 and 8,869,692.80 is: 13,304,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,630.80 : 27,653,446.20 = 8,869,692.80 : x
  2. Step 2: Convert to fraction form
    18,435,630.80/27,653,446.20 = 8,869,692.80/x
  3. Step 3: Cross multiply
    18,435,630.80x = 27,653,446.20 × 8,869,692.80
  4. Step 4: Simplify right side
    18,435,630.80x = 245,277,572,655,327.38
  5. Step 5: Solve for x
    x = 245,277,572,655,327.38/18,435,630.80
  6. Step 6: Final answer
    x = 13,304,539.20

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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.