Home / 8,608,087.40-12,912,131.10-3,557,719.40

Finding the Fourth Proportional to 8,608,087.40, 12,912,131.10 and 3,557,719.40

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Solution

The fourth proportional to 8,608,087.40, 12,912,131.10 and 3,557,719.40 is: 5,336,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608,087.40 : 12,912,131.10 = 3,557,719.40 : x
  2. Step 2: Convert to fraction form
    8,608,087.40/12,912,131.10 = 3,557,719.40/x
  3. Step 3: Cross multiply
    8,608,087.40x = 12,912,131.10 × 3,557,719.40
  4. Step 4: Simplify right side
    8,608,087.40x = 45,937,739,309,813.34
  5. Step 5: Solve for x
    x = 45,937,739,309,813.34/8,608,087.40
  6. Step 6: Final answer
    x = 5,336,579.10

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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.