Home / 20,542,655.08-28,348,515.46-11,375,101

Finding the Fourth Proportional to 20,542,655.08, 28,348,515.46 and 11,375,101

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Solution

The fourth proportional to 20,542,655.08, 28,348,515.46 and 11,375,101 is: 15,697,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,655.08 : 28,348,515.46 = 11,375,101 : x
  2. Step 2: Convert to fraction form
    20,542,655.08/28,348,515.46 = 11,375,101/x
  3. Step 3: Cross multiply
    20,542,655.08x = 28,348,515.46 × 11,375,101
  4. Step 4: Simplify right side
    20,542,655.08x = 322,467,226,557,561.50
  5. Step 5: Solve for x
    x = 322,467,226,557,561.50/20,542,655.08
  6. Step 6: Final answer
    x = 15,697,446.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.