Home / 15,091,561.50-20,826,404.28-8,216,092.80

Finding the Fourth Proportional to 15,091,561.50, 20,826,404.28 and 8,216,092.80

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Solution

The fourth proportional to 15,091,561.50, 20,826,404.28 and 8,216,092.80 is: 11,338,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091,561.50 : 20,826,404.28 = 8,216,092.80 : x
  2. Step 2: Convert to fraction form
    15,091,561.50/20,826,404.28 = 8,216,092.80/x
  3. Step 3: Cross multiply
    15,091,561.50x = 20,826,404.28 × 8,216,092.80
  4. Step 4: Simplify right side
    15,091,561.50x = 171,111,670,254,797.19
  5. Step 5: Solve for x
    x = 171,111,670,254,797.19/15,091,561.50
  6. Step 6: Final answer
    x = 11,338,234.96

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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.