Home / 20,186,148.60-30,286,221.30-8,834,743.80

Finding the Fourth Proportional to 20,186,148.60, 30,286,221.30 and 8,834,743.80

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Solution

The fourth proportional to 20,186,148.60, 30,286,221.30 and 8,834,743.80 is: 13,255,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,148.60 : 30,286,221.30 = 8,834,743.80 : x
  2. Step 2: Convert to fraction form
    20,186,148.60/30,286,221.30 = 8,834,743.80/x
  3. Step 3: Cross multiply
    20,186,148.60x = 30,286,221.30 × 8,834,743.80
  4. Step 4: Simplify right side
    20,186,148.60x = 267,571,005,855,602.97
  5. Step 5: Solve for x
    x = 267,571,005,855,602.97/20,186,148.60
  6. Step 6: Final answer
    x = 13,255,178.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.