Home / 28,530,076.53-39,368,184.06-15,971,818.85

Finding the Fourth Proportional to 28,530,076.53, 39,368,184.06 and 15,971,818.85

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Solution

The fourth proportional to 28,530,076.53, 39,368,184.06 and 15,971,818.85 is: 22,039,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,076.53 : 39,368,184.06 = 15,971,818.85 : x
  2. Step 2: Convert to fraction form
    28,530,076.53/39,368,184.06 = 15,971,818.85/x
  3. Step 3: Cross multiply
    28,530,076.53x = 39,368,184.06 × 15,971,818.85
  4. Step 4: Simplify right side
    28,530,076.53x = 628,781,504,358,198
  5. Step 5: Solve for x
    x = 628,781,504,358,198/28,530,076.53
  6. Step 6: Final answer
    x = 22,039,250.53

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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.