Home / 7,793,998.20-11,691,264.60-2,402,605.80

Finding the Fourth Proportional to 7,793,998.20, 11,691,264.60 and 2,402,605.80

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Solution

The fourth proportional to 7,793,998.20, 11,691,264.60 and 2,402,605.80 is: 3,603,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793,998.20 : 11,691,264.60 = 2,402,605.80 : x
  2. Step 2: Convert to fraction form
    7,793,998.20/11,691,264.60 = 2,402,605.80/x
  3. Step 3: Cross multiply
    7,793,998.20x = 11,691,264.60 × 2,402,605.80
  4. Step 4: Simplify right side
    7,793,998.20x = 28,089,500,137,294.68
  5. Step 5: Solve for x
    x = 28,089,500,137,294.68/7,793,998.20
  6. Step 6: Final answer
    x = 3,603,991.10

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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.