Home / 8,168,609.80-11,272,494.90-5,114,508.04

Finding the Fourth Proportional to 8,168,609.80, 11,272,494.90 and 5,114,508.04

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Solution

The fourth proportional to 8,168,609.80, 11,272,494.90 and 5,114,508.04 is: 7,057,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,609.80 : 11,272,494.90 = 5,114,508.04 : x
  2. Step 2: Convert to fraction form
    8,168,609.80/11,272,494.90 = 5,114,508.04/x
  3. Step 3: Cross multiply
    8,168,609.80x = 11,272,494.90 × 5,114,508.04
  4. Step 4: Simplify right side
    8,168,609.80x = 57,653,265,796,909
  5. Step 5: Solve for x
    x = 57,653,265,796,909/8,168,609.80
  6. Step 6: Final answer
    x = 7,057,904.25

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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.