Home / 28,255,612.60-42,383,418.90-26,177,087.80

Finding the Fourth Proportional to 28,255,612.60, 42,383,418.90 and 26,177,087.80

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Solution

The fourth proportional to 28,255,612.60, 42,383,418.90 and 26,177,087.80 is: 39,265,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,612.60 : 42,383,418.90 = 26,177,087.80 : x
  2. Step 2: Convert to fraction form
    28,255,612.60/42,383,418.90 = 26,177,087.80/x
  3. Step 3: Cross multiply
    28,255,612.60x = 42,383,418.90 × 26,177,087.80
  4. Step 4: Simplify right side
    28,255,612.60x = 1,109,474,477,809,479.38
  5. Step 5: Solve for x
    x = 1,109,474,477,809,479.38/28,255,612.60
  6. Step 6: Final answer
    x = 39,265,631.70

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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.