Home / 8,867,103.40-12,236,738.50-5,195,141.33

Finding the Fourth Proportional to 8,867,103.40, 12,236,738.50 and 5,195,141.33

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Solution

The fourth proportional to 8,867,103.40, 12,236,738.50 and 5,195,141.33 is: 7,169,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867,103.40 : 12,236,738.50 = 5,195,141.33 : x
  2. Step 2: Convert to fraction form
    8,867,103.40/12,236,738.50 = 5,195,141.33/x
  3. Step 3: Cross multiply
    8,867,103.40x = 12,236,738.50 × 5,195,141.33
  4. Step 4: Simplify right side
    8,867,103.40x = 63,571,585,962,837.98
  5. Step 5: Solve for x
    x = 63,571,585,962,837.98/8,867,103.40
  6. Step 6: Final answer
    x = 7,169,374.61

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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.