Home / 11,192,945.40-16,781,123.70-7,589,719.80

Finding the Fourth Proportional to 11,192,945.40, 16,781,123.70 and 7,589,719.80

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Solution

The fourth proportional to 11,192,945.40, 16,781,123.70 and 7,589,719.80 is: 11,378,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192,945.40 : 16,781,123.70 = 7,589,719.80 : x
  2. Step 2: Convert to fraction form
    11,192,945.40/16,781,123.70 = 7,589,719.80/x
  3. Step 3: Cross multiply
    11,192,945.40x = 16,781,123.70 × 7,589,719.80
  4. Step 4: Simplify right side
    11,192,945.40x = 127,364,026,812,139.25
  5. Step 5: Solve for x
    x = 127,364,026,812,139.25/11,192,945.40
  6. Step 6: Final answer
    x = 11,378,955.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.