Home / 30,182,001.10-45,278,906.55-12,910,168.60

Finding the Fourth Proportional to 30,182,001.10, 45,278,906.55 and 12,910,168.60

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Solution

The fourth proportional to 30,182,001.10, 45,278,906.55 and 12,910,168.60 is: 19,367,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182,001.10 : 45,278,906.55 = 12,910,168.60 : x
  2. Step 2: Convert to fraction form
    30,182,001.10/45,278,906.55 = 12,910,168.60/x
  3. Step 3: Cross multiply
    30,182,001.10x = 45,278,906.55 × 12,910,168.60
  4. Step 4: Simplify right side
    30,182,001.10x = 584,558,317,584,144.25
  5. Step 5: Solve for x
    x = 584,558,317,584,144.25/30,182,001.10
  6. Step 6: Final answer
    x = 19,367,778.69

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1.5x scale

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.