Home / 18,748,829-25,876,144.98-11,873,950.28

Finding the Fourth Proportional to 18,748,829, 25,876,144.98 and 11,873,950.28

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Solution

The fourth proportional to 18,748,829, 25,876,144.98 and 11,873,950.28 is: 16,387,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748,829 : 25,876,144.98 = 11,873,950.28 : x
  2. Step 2: Convert to fraction form
    18,748,829/25,876,144.98 = 11,873,950.28/x
  3. Step 3: Cross multiply
    18,748,829x = 25,876,144.98 × 11,873,950.28
  4. Step 4: Simplify right side
    18,748,829x = 307,252,058,930,591.56
  5. Step 5: Solve for x
    x = 307,252,058,930,591.56/18,748,829
  6. Step 6: Final answer
    x = 16,387,799.95

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1.5x scale

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.