Home / 18,677,575.43-25,765,251.95-15,196,806.98

Finding the Fourth Proportional to 18,677,575.43, 25,765,251.95 and 15,196,806.98

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Solution

The fourth proportional to 18,677,575.43, 25,765,251.95 and 15,196,806.98 is: 20,963,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,575.43 : 25,765,251.95 = 15,196,806.98 : x
  2. Step 2: Convert to fraction form
    18,677,575.43/25,765,251.95 = 15,196,806.98/x
  3. Step 3: Cross multiply
    18,677,575.43x = 25,765,251.95 × 15,196,806.98
  4. Step 4: Simplify right side
    18,677,575.43x = 391,549,560,470,408.31
  5. Step 5: Solve for x
    x = 391,549,560,470,408.31/18,677,575.43
  6. Step 6: Final answer
    x = 20,963,618.22

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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.