Home / 9,207,309.61-12,707,232.82-5,288,293.09

Finding the Fourth Proportional to 9,207,309.61, 12,707,232.82 and 5,288,293.09

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Solution

The fourth proportional to 9,207,309.61, 12,707,232.82 and 5,288,293.09 is: 7,298,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,309.61 : 12,707,232.82 = 5,288,293.09 : x
  2. Step 2: Convert to fraction form
    9,207,309.61/12,707,232.82 = 5,288,293.09/x
  3. Step 3: Cross multiply
    9,207,309.61x = 12,707,232.82 × 5,288,293.09
  4. Step 4: Simplify right side
    9,207,309.61x = 67,199,571,488,585.74
  5. Step 5: Solve for x
    x = 67,199,571,488,585.74/9,207,309.61
  6. Step 6: Final answer
    x = 7,298,502.42

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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.