Home / 9,360,578.67-12,917,625.35-5,230,765.43

Finding the Fourth Proportional to 9,360,578.67, 12,917,625.35 and 5,230,765.43

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Solution

The fourth proportional to 9,360,578.67, 12,917,625.35 and 5,230,765.43 is: 7,218,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360,578.67 : 12,917,625.35 = 5,230,765.43 : x
  2. Step 2: Convert to fraction form
    9,360,578.67/12,917,625.35 = 5,230,765.43/x
  3. Step 3: Cross multiply
    9,360,578.67x = 12,917,625.35 × 5,230,765.43
  4. Step 4: Simplify right side
    9,360,578.67x = 67,569,068,118,471.65
  5. Step 5: Solve for x
    x = 67,569,068,118,471.65/9,360,578.67
  6. Step 6: Final answer
    x = 7,218,471.26

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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.