Home / 8,526,285.60-12,789,428.40-8,476,519.20

Finding the Fourth Proportional to 8,526,285.60, 12,789,428.40 and 8,476,519.20

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Solution

The fourth proportional to 8,526,285.60, 12,789,428.40 and 8,476,519.20 is: 12,714,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526,285.60 : 12,789,428.40 = 8,476,519.20 : x
  2. Step 2: Convert to fraction form
    8,526,285.60/12,789,428.40 = 8,476,519.20/x
  3. Step 3: Cross multiply
    8,526,285.60x = 12,789,428.40 × 8,476,519.20
  4. Step 4: Simplify right side
    8,526,285.60x = 108,409,835,389,625.28
  5. Step 5: Solve for x
    x = 108,409,835,389,625.28/8,526,285.60
  6. Step 6: Final answer
    x = 12,714,778.80

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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.