Home / 20,474,346.62-28,255,295.67-12,108,887.48

Finding the Fourth Proportional to 20,474,346.62, 28,255,295.67 and 12,108,887.48

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Solution

The fourth proportional to 20,474,346.62, 28,255,295.67 and 12,108,887.48 is: 16,710,677.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474,346.62 : 28,255,295.67 = 12,108,887.48 : x
  2. Step 2: Convert to fraction form
    20,474,346.62/28,255,295.67 = 12,108,887.48/x
  3. Step 3: Cross multiply
    20,474,346.62x = 28,255,295.67 × 12,108,887.48
  4. Step 4: Simplify right side
    20,474,346.62x = 342,140,195,982,161.25
  5. Step 5: Solve for x
    x = 342,140,195,982,161.25/20,474,346.62
  6. Step 6: Final answer
    x = 16,710,677.14

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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.