Home / 18,113,854.80-27,170,782.20-12,067,237.20

Finding the Fourth Proportional to 18,113,854.80, 27,170,782.20 and 12,067,237.20

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Solution

The fourth proportional to 18,113,854.80, 27,170,782.20 and 12,067,237.20 is: 18,100,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113,854.80 : 27,170,782.20 = 12,067,237.20 : x
  2. Step 2: Convert to fraction form
    18,113,854.80/27,170,782.20 = 12,067,237.20/x
  3. Step 3: Cross multiply
    18,113,854.80x = 27,170,782.20 × 12,067,237.20
  4. Step 4: Simplify right side
    18,113,854.80x = 327,876,273,716,937.81
  5. Step 5: Solve for x
    x = 327,876,273,716,937.81/18,113,854.80
  6. Step 6: Final answer
    x = 18,100,855.80

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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.