Home / 12,452,822.40-18,665,236.80-6,385,209.60

Finding the Fourth Proportional to 12,452,822.40, 18,665,236.80 and 6,385,209.60

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Solution

The fourth proportional to 12,452,822.40, 18,665,236.80 and 6,385,209.60 is: 9,570,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,822.40 : 18,665,236.80 = 6,385,209.60 : x
  2. Step 2: Convert to fraction form
    12,452,822.40/18,665,236.80 = 6,385,209.60/x
  3. Step 3: Cross multiply
    12,452,822.40x = 18,665,236.80 × 6,385,209.60
  4. Step 4: Simplify right side
    12,452,822.40x = 119,181,449,201,633.28
  5. Step 5: Solve for x
    x = 119,181,449,201,633.28/12,452,822.40
  6. Step 6: Final answer
    x = 9,570,637.51

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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.