Home / 20,589,363.54-28,413,235.08-11,422,006.29

Finding the Fourth Proportional to 20,589,363.54, 28,413,235.08 and 11,422,006.29

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Solution

The fourth proportional to 20,589,363.54, 28,413,235.08 and 11,422,006.29 is: 15,762,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,363.54 : 28,413,235.08 = 11,422,006.29 : x
  2. Step 2: Convert to fraction form
    20,589,363.54/28,413,235.08 = 11,422,006.29/x
  3. Step 3: Cross multiply
    20,589,363.54x = 28,413,235.08 × 11,422,006.29
  4. Step 4: Simplify right side
    20,589,363.54x = 324,536,149,803,008.62
  5. Step 5: Solve for x
    x = 324,536,149,803,008.62/20,589,363.54
  6. Step 6: Final answer
    x = 15,762,320.64

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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.