Home / 18,503,757.29-25,537,857.38-10,661,768.18

Finding the Fourth Proportional to 18,503,757.29, 25,537,857.38 and 10,661,768.18

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Solution

The fourth proportional to 18,503,757.29, 25,537,857.38 and 10,661,768.18 is: 14,714,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503,757.29 : 25,537,857.38 = 10,661,768.18 : x
  2. Step 2: Convert to fraction form
    18,503,757.29/25,537,857.38 = 10,661,768.18/x
  3. Step 3: Cross multiply
    18,503,757.29x = 25,537,857.38 × 10,661,768.18
  4. Step 4: Simplify right side
    18,503,757.29x = 272,278,715,146,153.31
  5. Step 5: Solve for x
    x = 272,278,715,146,153.31/18,503,757.29
  6. Step 6: Final answer
    x = 14,714,779.86

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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.