Home / 28,255,665.60-42,383,498.40-26,177,140.80

Finding the Fourth Proportional to 28,255,665.60, 42,383,498.40 and 26,177,140.80

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Solution

The fourth proportional to 28,255,665.60, 42,383,498.40 and 26,177,140.80 is: 39,265,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,665.60 : 42,383,498.40 = 26,177,140.80 : x
  2. Step 2: Convert to fraction form
    28,255,665.60/42,383,498.40 = 26,177,140.80/x
  3. Step 3: Cross multiply
    28,255,665.60x = 42,383,498.40 × 26,177,140.80
  4. Step 4: Simplify right side
    28,255,665.60x = 1,109,478,805,213,374.75
  5. Step 5: Solve for x
    x = 1,109,478,805,213,374.75/28,255,665.60
  6. Step 6: Final answer
    x = 39,265,711.20

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Similar ratio
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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.