Home / 20,396,447.04-28,146,551.04-11,229,158.64

Finding the Fourth Proportional to 20,396,447.04, 28,146,551.04 and 11,229,158.64

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Solution

The fourth proportional to 20,396,447.04, 28,146,551.04 and 11,229,158.64 is: 15,495,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396,447.04 : 28,146,551.04 = 11,229,158.64 : x
  2. Step 2: Convert to fraction form
    20,396,447.04/28,146,551.04 = 11,229,158.64/x
  3. Step 3: Cross multiply
    20,396,447.04x = 28,146,551.04 × 11,229,158.64
  4. Step 4: Simplify right side
    20,396,447.04x = 316,062,086,797,017
  5. Step 5: Solve for x
    x = 316,062,086,797,017/20,396,447.04
  6. Step 6: Final answer
    x = 15,495,938.39

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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.