Home / 20,644,033.10-28,489,233.99-11,352,119.36

Finding the Fourth Proportional to 20,644,033.10, 28,489,233.99 and 11,352,119.36

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Solution

The fourth proportional to 20,644,033.10, 28,489,233.99 and 11,352,119.36 is: 15,666,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644,033.10 : 28,489,233.99 = 11,352,119.36 : x
  2. Step 2: Convert to fraction form
    20,644,033.10/28,489,233.99 = 11,352,119.36/x
  3. Step 3: Cross multiply
    20,644,033.10x = 28,489,233.99 × 11,352,119.36
  4. Step 4: Simplify right side
    20,644,033.10x = 323,413,184,587,002.88
  5. Step 5: Solve for x
    x = 323,413,184,587,002.88/20,644,033.10
  6. Step 6: Final answer
    x = 15,666,182.24

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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.