Home / 18,279,988.71-25,211,675.14-16,070,126.55

Finding the Fourth Proportional to 18,279,988.71, 25,211,675.14 and 16,070,126.55

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Solution

The fourth proportional to 18,279,988.71, 25,211,675.14 and 16,070,126.55 is: 22,163,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,988.71 : 25,211,675.14 = 16,070,126.55 : x
  2. Step 2: Convert to fraction form
    18,279,988.71/25,211,675.14 = 16,070,126.55/x
  3. Step 3: Cross multiply
    18,279,988.71x = 25,211,675.14 × 16,070,126.55
  4. Step 4: Simplify right side
    18,279,988.71x = 405,154,810,037,289
  5. Step 5: Solve for x
    x = 405,154,810,037,289/18,279,988.71
  6. Step 6: Final answer
    x = 22,163,843.56

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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.