Home / 13,408,841.80-20,113,262.70-8,034,070.60

Finding the Fourth Proportional to 13,408,841.80, 20,113,262.70 and 8,034,070.60

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Solution

The fourth proportional to 13,408,841.80, 20,113,262.70 and 8,034,070.60 is: 12,051,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,841.80 : 20,113,262.70 = 8,034,070.60 : x
  2. Step 2: Convert to fraction form
    13,408,841.80/20,113,262.70 = 8,034,070.60/x
  3. Step 3: Cross multiply
    13,408,841.80x = 20,113,262.70 × 8,034,070.60
  4. Step 4: Simplify right side
    13,408,841.80x = 161,591,372,528,146.59
  5. Step 5: Solve for x
    x = 161,591,372,528,146.59/13,408,841.80
  6. Step 6: Final answer
    x = 12,051,105.90

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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.