Home / 8,458,331.04-12,689,660.88-2,778,604.56

Finding the Fourth Proportional to 8,458,331.04, 12,689,660.88 and 2,778,604.56

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Solution

The fourth proportional to 8,458,331.04, 12,689,660.88 and 2,778,604.56 is: 4,168,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,331.04 : 12,689,660.88 = 2,778,604.56 : x
  2. Step 2: Convert to fraction form
    8,458,331.04/12,689,660.88 = 2,778,604.56/x
  3. Step 3: Cross multiply
    8,458,331.04x = 12,689,660.88 × 2,778,604.56
  4. Step 4: Simplify right side
    8,458,331.04x = 35,259,549,586,021.62
  5. Step 5: Solve for x
    x = 35,259,549,586,021.62/8,458,331.04
  6. Step 6: Final answer
    x = 4,168,617.83

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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.