Home / 18,843,857.10-28,245,687.75-10,739,381.85

Finding the Fourth Proportional to 18,843,857.10, 28,245,687.75 and 10,739,381.85

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Solution

The fourth proportional to 18,843,857.10, 28,245,687.75 and 10,739,381.85 is: 16,097,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843,857.10 : 28,245,687.75 = 10,739,381.85 : x
  2. Step 2: Convert to fraction form
    18,843,857.10/28,245,687.75 = 10,739,381.85/x
  3. Step 3: Cross multiply
    18,843,857.10x = 28,245,687.75 × 10,739,381.85
  4. Step 4: Simplify right side
    18,843,857.10x = 303,341,226,363,117.31
  5. Step 5: Solve for x
    x = 303,341,226,363,117.31/18,843,857.10
  6. Step 6: Final answer
    x = 16,097,618.70

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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.