Home / 20,753,736.18-28,640,609.12-11,461,287.31

Finding the Fourth Proportional to 20,753,736.18, 28,640,609.12 and 11,461,287.31

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Solution

The fourth proportional to 20,753,736.18, 28,640,609.12 and 11,461,287.31 is: 15,816,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753,736.18 : 28,640,609.12 = 11,461,287.31 : x
  2. Step 2: Convert to fraction form
    20,753,736.18/28,640,609.12 = 11,461,287.31/x
  3. Step 3: Cross multiply
    20,753,736.18x = 28,640,609.12 × 11,461,287.31
  4. Step 4: Simplify right side
    20,753,736.18x = 328,258,249,857,726.31
  5. Step 5: Solve for x
    x = 328,258,249,857,726.31/20,753,736.18
  6. Step 6: Final answer
    x = 15,816,826.76

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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.