Home / 19,473,990-26,865,057.26-12,600,692.88

Finding the Fourth Proportional to 19,473,990, 26,865,057.26 and 12,600,692.88

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Solution

The fourth proportional to 19,473,990, 26,865,057.26 and 12,600,692.88 is: 17,383,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473,990 : 26,865,057.26 = 12,600,692.88 : x
  2. Step 2: Convert to fraction form
    19,473,990/26,865,057.26 = 12,600,692.88/x
  3. Step 3: Cross multiply
    19,473,990x = 26,865,057.26 × 12,600,692.88
  4. Step 4: Simplify right side
    19,473,990x = 338,518,335,736,874.38
  5. Step 5: Solve for x
    x = 338,518,335,736,874.38/19,473,990
  6. Step 6: Final answer
    x = 17,383,101.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.