Home / 28,022,774.93-38,666,640.17-16,259,346.56

Finding the Fourth Proportional to 28,022,774.93, 38,666,640.17 and 16,259,346.56

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Solution

The fourth proportional to 28,022,774.93, 38,666,640.17 and 16,259,346.56 is: 22,435,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,774.93 : 38,666,640.17 = 16,259,346.56 : x
  2. Step 2: Convert to fraction form
    28,022,774.93/38,666,640.17 = 16,259,346.56/x
  3. Step 3: Cross multiply
    28,022,774.93x = 38,666,640.17 × 16,259,346.56
  4. Step 4: Simplify right side
    28,022,774.93x = 628,694,302,560,217.38
  5. Step 5: Solve for x
    x = 628,694,302,560,217.38/28,022,774.93
  6. Step 6: Final answer
    x = 22,435,119.44

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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.