Home / 13,451,517.48-18,563,542.02-7,340,281.32

Finding the Fourth Proportional to 13,451,517.48, 18,563,542.02 and 7,340,281.32

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Solution

The fourth proportional to 13,451,517.48, 18,563,542.02 and 7,340,281.32 is: 10,129,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,517.48 : 18,563,542.02 = 7,340,281.32 : x
  2. Step 2: Convert to fraction form
    13,451,517.48/18,563,542.02 = 7,340,281.32/x
  3. Step 3: Cross multiply
    13,451,517.48x = 18,563,542.02 × 7,340,281.32
  4. Step 4: Simplify right side
    13,451,517.48x = 136,261,620,722,441.06
  5. Step 5: Solve for x
    x = 136,261,620,722,441.06/13,451,517.48
  6. Step 6: Final answer
    x = 10,129,832.63

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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.