Home / 9,315,073.39-12,853,772.88-5,240,623.47

Finding the Fourth Proportional to 9,315,073.39, 12,853,772.88 and 5,240,623.47

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Solution

The fourth proportional to 9,315,073.39, 12,853,772.88 and 5,240,623.47 is: 7,231,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,073.39 : 12,853,772.88 = 5,240,623.47 : x
  2. Step 2: Convert to fraction form
    9,315,073.39/12,853,772.88 = 5,240,623.47/x
  3. Step 3: Cross multiply
    9,315,073.39x = 12,853,772.88 × 5,240,623.47
  4. Step 4: Simplify right side
    9,315,073.39x = 67,361,783,806,774.38
  5. Step 5: Solve for x
    x = 67,361,783,806,774.38/9,315,073.39
  6. Step 6: Final answer
    x = 7,231,481.81

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1.5x scale

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.