Home / 28,608,190.40-42,912,285.60-17,837,652.80

Finding the Fourth Proportional to 28,608,190.40, 42,912,285.60 and 17,837,652.80

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Solution

The fourth proportional to 28,608,190.40, 42,912,285.60 and 17,837,652.80 is: 26,756,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,190.40 : 42,912,285.60 = 17,837,652.80 : x
  2. Step 2: Convert to fraction form
    28,608,190.40/42,912,285.60 = 17,837,652.80/x
  3. Step 3: Cross multiply
    28,608,190.40x = 42,912,285.60 × 17,837,652.80
  4. Step 4: Simplify right side
    28,608,190.40x = 765,454,451,387,239.75
  5. Step 5: Solve for x
    x = 765,454,451,387,239.75/28,608,190.40
  6. Step 6: Final answer
    x = 26,756,479.20

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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.