Home / 12,458,361.60-18,687,542.40-9,269,715.60

Finding the Fourth Proportional to 12,458,361.60, 18,687,542.40 and 9,269,715.60

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Solution

The fourth proportional to 12,458,361.60, 18,687,542.40 and 9,269,715.60 is: 13,904,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,361.60 : 18,687,542.40 = 9,269,715.60 : x
  2. Step 2: Convert to fraction form
    12,458,361.60/18,687,542.40 = 9,269,715.60/x
  3. Step 3: Cross multiply
    12,458,361.60x = 18,687,542.40 × 9,269,715.60
  4. Step 4: Simplify right side
    12,458,361.60x = 173,228,203,310,941.41
  5. Step 5: Solve for x
    x = 173,228,203,310,941.41/12,458,361.60
  6. Step 6: Final answer
    x = 13,904,573.40

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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.