Home / 20,502,021.10-30,753,031.65-8,367,451.60

Finding the Fourth Proportional to 20,502,021.10, 30,753,031.65 and 8,367,451.60

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Solution

The fourth proportional to 20,502,021.10, 30,753,031.65 and 8,367,451.60 is: 12,551,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,021.10 : 30,753,031.65 = 8,367,451.60 : x
  2. Step 2: Convert to fraction form
    20,502,021.10/30,753,031.65 = 8,367,451.60/x
  3. Step 3: Cross multiply
    20,502,021.10x = 30,753,031.65 × 8,367,451.60
  4. Step 4: Simplify right side
    20,502,021.10x = 257,324,503,884,643.12
  5. Step 5: Solve for x
    x = 257,324,503,884,643.12/20,502,021.10
  6. Step 6: Final answer
    x = 12,551,177.40

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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.