Home / 6,857,345.20-10,309,734.60-6,413,335.60

Finding the Fourth Proportional to 6,857,345.20, 10,309,734.60 and 6,413,335.60

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Solution

The fourth proportional to 6,857,345.20, 10,309,734.60 and 6,413,335.60 is: 9,642,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857,345.20 : 10,309,734.60 = 6,413,335.60 : x
  2. Step 2: Convert to fraction form
    6,857,345.20/10,309,734.60 = 6,413,335.60/x
  3. Step 3: Cross multiply
    6,857,345.20x = 10,309,734.60 × 6,413,335.60
  4. Step 4: Simplify right side
    6,857,345.20x = 66,119,787,936,731.75
  5. Step 5: Solve for x
    x = 66,119,787,936,731.75/6,857,345.20
  6. Step 6: Final answer
    x = 9,642,184.55

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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.