Home / 8,199,207.40-12,298,811.10-3,650,247.40

Finding the Fourth Proportional to 8,199,207.40, 12,298,811.10 and 3,650,247.40

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Solution

The fourth proportional to 8,199,207.40, 12,298,811.10 and 3,650,247.40 is: 5,475,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,207.40 : 12,298,811.10 = 3,650,247.40 : x
  2. Step 2: Convert to fraction form
    8,199,207.40/12,298,811.10 = 3,650,247.40/x
  3. Step 3: Cross multiply
    8,199,207.40x = 12,298,811.10 × 3,650,247.40
  4. Step 4: Simplify right side
    8,199,207.40x = 44,893,703,240,866.14
  5. Step 5: Solve for x
    x = 44,893,703,240,866.14/8,199,207.40
  6. Step 6: Final answer
    x = 5,475,371.10

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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.