Home / 8,260,984.85-12,386,665.78-3,206,390.45

Finding the Fourth Proportional to 8,260,984.85, 12,386,665.78 and 3,206,390.45

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Solution

The fourth proportional to 8,260,984.85, 12,386,665.78 and 3,206,390.45 is: 4,807,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,984.85 : 12,386,665.78 = 3,206,390.45 : x
  2. Step 2: Convert to fraction form
    8,260,984.85/12,386,665.78 = 3,206,390.45/x
  3. Step 3: Cross multiply
    8,260,984.85x = 12,386,665.78 × 3,206,390.45
  4. Step 4: Simplify right side
    8,260,984.85x = 39,716,486,864,333.80
  5. Step 5: Solve for x
    x = 39,716,486,864,333.80/8,260,984.85
  6. Step 6: Final answer
    x = 4,807,718.16

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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.