Home / 13,940,947.20-20,911,420.80-3,705,787.20

Finding the Fourth Proportional to 13,940,947.20, 20,911,420.80 and 3,705,787.20

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Solution

The fourth proportional to 13,940,947.20, 20,911,420.80 and 3,705,787.20 is: 5,558,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940,947.20 : 20,911,420.80 = 3,705,787.20 : x
  2. Step 2: Convert to fraction form
    13,940,947.20/20,911,420.80 = 3,705,787.20/x
  3. Step 3: Cross multiply
    13,940,947.20x = 20,911,420.80 × 3,705,787.20
  4. Step 4: Simplify right side
    13,940,947.20x = 77,493,275,534,453.77
  5. Step 5: Solve for x
    x = 77,493,275,534,453.77/13,940,947.20
  6. Step 6: Final answer
    x = 5,558,680.80

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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.