Home / 13,872,824.80-20,809,237.20-3,775,445.80

Finding the Fourth Proportional to 13,872,824.80, 20,809,237.20 and 3,775,445.80

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Solution

The fourth proportional to 13,872,824.80, 20,809,237.20 and 3,775,445.80 is: 5,663,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,824.80 : 20,809,237.20 = 3,775,445.80 : x
  2. Step 2: Convert to fraction form
    13,872,824.80/20,809,237.20 = 3,775,445.80/x
  3. Step 3: Cross multiply
    13,872,824.80x = 20,809,237.20 × 3,775,445.80
  4. Step 4: Simplify right side
    13,872,824.80x = 78,564,147,187,943.75
  5. Step 5: Solve for x
    x = 78,564,147,187,943.75/13,872,824.80
  6. Step 6: Final answer
    x = 5,663,168.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.