Home / 18,408,960.88-25,386,164.30-15,625,684.44

Finding the Fourth Proportional to 18,408,960.88, 25,386,164.30 and 15,625,684.44

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Solution

The fourth proportional to 18,408,960.88, 25,386,164.30 and 15,625,684.44 is: 21,547,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408,960.88 : 25,386,164.30 = 15,625,684.44 : x
  2. Step 2: Convert to fraction form
    18,408,960.88/25,386,164.30 = 15,625,684.44/x
  3. Step 3: Cross multiply
    18,408,960.88x = 25,386,164.30 × 15,625,684.44
  4. Step 4: Simplify right side
    18,408,960.88x = 396,676,192,532,857.69
  5. Step 5: Solve for x
    x = 396,676,192,532,857.69/18,408,960.88
  6. Step 6: Final answer
    x = 21,547,994.76

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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.