Home / 7,045,618.20-9,722,788.60-4,145,196.12

Finding the Fourth Proportional to 7,045,618.20, 9,722,788.60 and 4,145,196.12

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Solution

The fourth proportional to 7,045,618.20, 9,722,788.60 and 4,145,196.12 is: 5,720,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,618.20 : 9,722,788.60 = 4,145,196.12 : x
  2. Step 2: Convert to fraction form
    7,045,618.20/9,722,788.60 = 4,145,196.12/x
  3. Step 3: Cross multiply
    7,045,618.20x = 9,722,788.60 × 4,145,196.12
  4. Step 4: Simplify right side
    7,045,618.20x = 40,302,865,580,300.23
  5. Step 5: Solve for x
    x = 40,302,865,580,300.23/7,045,618.20
  6. Step 6: Final answer
    x = 5,720,273.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.