Home / 7,557,427.19-10,422,831.92-6,385,766.51

Finding the Fourth Proportional to 7,557,427.19, 10,422,831.92 and 6,385,766.51

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Solution

The fourth proportional to 7,557,427.19, 10,422,831.92 and 6,385,766.51 is: 8,806,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557,427.19 : 10,422,831.92 = 6,385,766.51 : x
  2. Step 2: Convert to fraction form
    7,557,427.19/10,422,831.92 = 6,385,766.51/x
  3. Step 3: Cross multiply
    7,557,427.19x = 10,422,831.92 × 6,385,766.51
  4. Step 4: Simplify right side
    7,557,427.19x = 66,557,770,930,052
  5. Step 5: Solve for x
    x = 66,557,770,930,052/7,557,427.19
  6. Step 6: Final answer
    x = 8,806,935.12

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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.