Home / 8,348,540.20-12,522,810.30-6,456,639.40

Finding the Fourth Proportional to 8,348,540.20, 12,522,810.30 and 6,456,639.40

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Solution

The fourth proportional to 8,348,540.20, 12,522,810.30 and 6,456,639.40 is: 9,684,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348,540.20 : 12,522,810.30 = 6,456,639.40 : x
  2. Step 2: Convert to fraction form
    8,348,540.20/12,522,810.30 = 6,456,639.40/x
  3. Step 3: Cross multiply
    8,348,540.20x = 12,522,810.30 × 6,456,639.40
  4. Step 4: Simplify right side
    8,348,540.20x = 80,855,270,381,705.83
  5. Step 5: Solve for x
    x = 80,855,270,381,705.83/8,348,540.20
  6. Step 6: Final answer
    x = 9,684,959.10

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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.