Home / 13,109,615.60-18,090,854.94-7,229,497.73

Finding the Fourth Proportional to 13,109,615.60, 18,090,854.94 and 7,229,497.73

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Solution

The fourth proportional to 13,109,615.60, 18,090,854.94 and 7,229,497.73 is: 9,976,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,615.60 : 18,090,854.94 = 7,229,497.73 : x
  2. Step 2: Convert to fraction form
    13,109,615.60/18,090,854.94 = 7,229,497.73/x
  3. Step 3: Cross multiply
    13,109,615.60x = 18,090,854.94 × 7,229,497.73
  4. Step 4: Simplify right side
    13,109,615.60x = 130,787,794,702,394.23
  5. Step 5: Solve for x
    x = 130,787,794,702,394.23/13,109,615.60
  6. Step 6: Final answer
    x = 9,976,478.24

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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.