Home / 8,203,726.60-12,307,740.30-3,155,201.80

Finding the Fourth Proportional to 8,203,726.60, 12,307,740.30 and 3,155,201.80

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Solution

The fourth proportional to 8,203,726.60, 12,307,740.30 and 3,155,201.80 is: 4,733,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,726.60 : 12,307,740.30 = 3,155,201.80 : x
  2. Step 2: Convert to fraction form
    8,203,726.60/12,307,740.30 = 3,155,201.80/x
  3. Step 3: Cross multiply
    8,203,726.60x = 12,307,740.30 × 3,155,201.80
  4. Step 4: Simplify right side
    8,203,726.60x = 38,833,404,348,492.54
  5. Step 5: Solve for x
    x = 38,833,404,348,492.54/8,203,726.60
  6. Step 6: Final answer
    x = 4,733,629.76

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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.