Home / 12,296,719.10-18,445,078.65-8,517,583.10

Finding the Fourth Proportional to 12,296,719.10, 18,445,078.65 and 8,517,583.10

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Solution

The fourth proportional to 12,296,719.10, 18,445,078.65 and 8,517,583.10 is: 12,776,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,719.10 : 18,445,078.65 = 8,517,583.10 : x
  2. Step 2: Convert to fraction form
    12,296,719.10/18,445,078.65 = 8,517,583.10/x
  3. Step 3: Cross multiply
    12,296,719.10x = 18,445,078.65 × 8,517,583.10
  4. Step 4: Simplify right side
    12,296,719.10x = 157,107,490,187,410.78
  5. Step 5: Solve for x
    x = 157,107,490,187,410.78/12,296,719.10
  6. Step 6: Final answer
    x = 12,776,374.65

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Double scale
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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.