Home / 8,439,618.54-11,646,609.21-4,572,112.04

Finding the Fourth Proportional to 8,439,618.54, 11,646,609.21 and 4,572,112.04

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Solution

The fourth proportional to 8,439,618.54, 11,646,609.21 and 4,572,112.04 is: 6,309,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,618.54 : 11,646,609.21 = 4,572,112.04 : x
  2. Step 2: Convert to fraction form
    8,439,618.54/11,646,609.21 = 4,572,112.04/x
  3. Step 3: Cross multiply
    8,439,618.54x = 11,646,609.21 × 4,572,112.04
  4. Step 4: Simplify right side
    8,439,618.54x = 53,249,602,135,982.85
  5. Step 5: Solve for x
    x = 53,249,602,135,982.85/8,439,618.54
  6. Step 6: Final answer
    x = 6,309,479.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.