Home / 25,758,853.60-38,638,280.40-7,805,624.80

Finding the Fourth Proportional to 25,758,853.60, 38,638,280.40 and 7,805,624.80

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Solution

The fourth proportional to 25,758,853.60, 38,638,280.40 and 7,805,624.80 is: 11,708,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758,853.60 : 38,638,280.40 = 7,805,624.80 : x
  2. Step 2: Convert to fraction form
    25,758,853.60/38,638,280.40 = 7,805,624.80/x
  3. Step 3: Cross multiply
    25,758,853.60x = 38,638,280.40 × 7,805,624.80
  4. Step 4: Simplify right side
    25,758,853.60x = 301,595,919,719,593.88
  5. Step 5: Solve for x
    x = 301,595,919,719,593.88/25,758,853.60
  6. Step 6: Final answer
    x = 11,708,437.20

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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.