Home / 12,251,348.80-18,377,023.20-10,338,161.20

Finding the Fourth Proportional to 12,251,348.80, 18,377,023.20 and 10,338,161.20

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Solution

The fourth proportional to 12,251,348.80, 18,377,023.20 and 10,338,161.20 is: 15,507,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,348.80 : 18,377,023.20 = 10,338,161.20 : x
  2. Step 2: Convert to fraction form
    12,251,348.80/18,377,023.20 = 10,338,161.20/x
  3. Step 3: Cross multiply
    12,251,348.80x = 18,377,023.20 × 10,338,161.20
  4. Step 4: Simplify right side
    12,251,348.80x = 189,984,628,217,739.81
  5. Step 5: Solve for x
    x = 189,984,628,217,739.81/12,251,348.80
  6. Step 6: Final answer
    x = 15,507,241.80

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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.