Home / 8,312,589.75-11,471,255.19-4,641,564.45

Finding the Fourth Proportional to 8,312,589.75, 11,471,255.19 and 4,641,564.45

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Solution

The fourth proportional to 8,312,589.75, 11,471,255.19 and 4,641,564.45 is: 6,405,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,589.75 : 11,471,255.19 = 4,641,564.45 : x
  2. Step 2: Convert to fraction form
    8,312,589.75/11,471,255.19 = 4,641,564.45/x
  3. Step 3: Cross multiply
    8,312,589.75x = 11,471,255.19 × 4,641,564.45
  4. Step 4: Simplify right side
    8,312,589.75x = 53,244,570,286,781.99
  5. Step 5: Solve for x
    x = 53,244,570,286,781.99/8,312,589.75
  6. Step 6: Final answer
    x = 6,405,292.68

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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.