Home / 12,361,603.60-18,542,405.40-8,104,243.60

Finding the Fourth Proportional to 12,361,603.60, 18,542,405.40 and 8,104,243.60

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Solution

The fourth proportional to 12,361,603.60, 18,542,405.40 and 8,104,243.60 is: 12,156,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361,603.60 : 18,542,405.40 = 8,104,243.60 : x
  2. Step 2: Convert to fraction form
    12,361,603.60/18,542,405.40 = 8,104,243.60/x
  3. Step 3: Cross multiply
    12,361,603.60x = 18,542,405.40 × 8,104,243.60
  4. Step 4: Simplify right side
    12,361,603.60x = 150,272,170,291,555.41
  5. Step 5: Solve for x
    x = 150,272,170,291,555.41/12,361,603.60
  6. Step 6: Final answer
    x = 12,156,365.40

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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.