Home / 27,855,254.65-38,413,537.05-17,921,999.07

Finding the Fourth Proportional to 27,855,254.65, 38,413,537.05 and 17,921,999.07

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Solution

The fourth proportional to 27,855,254.65, 38,413,537.05 and 17,921,999.07 is: 24,715,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,855,254.65 : 38,413,537.05 = 17,921,999.07 : x
  2. Step 2: Convert to fraction form
    27,855,254.65/38,413,537.05 = 17,921,999.07/x
  3. Step 3: Cross multiply
    27,855,254.65x = 38,413,537.05 × 17,921,999.07
  4. Step 4: Simplify right side
    27,855,254.65x = 688,447,375,003,833
  5. Step 5: Solve for x
    x = 688,447,375,003,833/27,855,254.65
  6. Step 6: Final answer
    x = 24,715,170.75

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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.