Home / 8,195,428.40-12,293,142.60-3,943,900.40

Finding the Fourth Proportional to 8,195,428.40, 12,293,142.60 and 3,943,900.40

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Solution

The fourth proportional to 8,195,428.40, 12,293,142.60 and 3,943,900.40 is: 5,915,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,428.40 : 12,293,142.60 = 3,943,900.40 : x
  2. Step 2: Convert to fraction form
    8,195,428.40/12,293,142.60 = 3,943,900.40/x
  3. Step 3: Cross multiply
    8,195,428.40x = 12,293,142.60 × 3,943,900.40
  4. Step 4: Simplify right side
    8,195,428.40x = 48,482,930,017,397.04
  5. Step 5: Solve for x
    x = 48,482,930,017,397.04/8,195,428.40
  6. Step 6: Final answer
    x = 5,915,850.60

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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.