Home / 8,348,546.20-12,522,819.30-6,456,645.40

Finding the Fourth Proportional to 8,348,546.20, 12,522,819.30 and 6,456,645.40

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Solution

The fourth proportional to 8,348,546.20, 12,522,819.30 and 6,456,645.40 is: 9,684,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348,546.20 : 12,522,819.30 = 6,456,645.40 : x
  2. Step 2: Convert to fraction form
    8,348,546.20/12,522,819.30 = 6,456,645.40/x
  3. Step 3: Cross multiply
    8,348,546.20x = 12,522,819.30 × 6,456,645.40
  4. Step 4: Simplify right side
    8,348,546.20x = 80,855,403,628,376.23
  5. Step 5: Solve for x
    x = 80,855,403,628,376.23/8,348,546.20
  6. Step 6: Final answer
    x = 9,684,968.10

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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.