Home / 7,722,402.80-11,583,604.20-6,287,512.10

Finding the Fourth Proportional to 7,722,402.80, 11,583,604.20 and 6,287,512.10

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Solution

The fourth proportional to 7,722,402.80, 11,583,604.20 and 6,287,512.10 is: 9,431,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,402.80 : 11,583,604.20 = 6,287,512.10 : x
  2. Step 2: Convert to fraction form
    7,722,402.80/11,583,604.20 = 6,287,512.10/x
  3. Step 3: Cross multiply
    7,722,402.80x = 11,583,604.20 × 6,287,512.10
  4. Step 4: Simplify right side
    7,722,402.80x = 72,832,051,569,110.81
  5. Step 5: Solve for x
    x = 72,832,051,569,110.81/7,722,402.80
  6. Step 6: Final answer
    x = 9,431,268.15

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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.