Home / 10,563,553.70-15,857,140.35-8,177,974.10

Finding the Fourth Proportional to 10,563,553.70, 15,857,140.35 and 8,177,974.10

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Solution

The fourth proportional to 10,563,553.70, 15,857,140.35 and 8,177,974.10 is: 12,276,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563,553.70 : 15,857,140.35 = 8,177,974.10 : x
  2. Step 2: Convert to fraction form
    10,563,553.70/15,857,140.35 = 8,177,974.10/x
  3. Step 3: Cross multiply
    10,563,553.70x = 15,857,140.35 × 8,177,974.10
  4. Step 4: Simplify right side
    10,563,553.70x = 129,679,283,082,364.92
  5. Step 5: Solve for x
    x = 129,679,283,082,364.92/10,563,553.70
  6. Step 6: Final answer
    x = 12,276,103.93

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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.