Home / 12,538,729.60-18,776,601.60-8,255,708.80

Finding the Fourth Proportional to 12,538,729.60, 18,776,601.60 and 8,255,708.80

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Solution

The fourth proportional to 12,538,729.60, 18,776,601.60 and 8,255,708.80 is: 12,362,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,729.60 : 18,776,601.60 = 8,255,708.80 : x
  2. Step 2: Convert to fraction form
    12,538,729.60/18,776,601.60 = 8,255,708.80/x
  3. Step 3: Cross multiply
    12,538,729.60x = 18,776,601.60 × 8,255,708.80
  4. Step 4: Simplify right side
    12,538,729.60x = 155,014,155,063,214.09
  5. Step 5: Solve for x
    x = 155,014,155,063,214.09/12,538,729.60
  6. Step 6: Final answer
    x = 12,362,827.81

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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.