Home / 19,266,100.75-26,561,499.01-15,305,513.18

Finding the Fourth Proportional to 19,266,100.75, 26,561,499.01 and 15,305,513.18

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Solution

The fourth proportional to 19,266,100.75, 26,561,499.01 and 15,305,513.18 is: 21,101,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266,100.75 : 26,561,499.01 = 15,305,513.18 : x
  2. Step 2: Convert to fraction form
    19,266,100.75/26,561,499.01 = 15,305,513.18/x
  3. Step 3: Cross multiply
    19,266,100.75x = 26,561,499.01 × 15,305,513.18
  4. Step 4: Simplify right side
    19,266,100.75x = 406,537,373,183,113.56
  5. Step 5: Solve for x
    x = 406,537,373,183,113.56/19,266,100.75
  6. Step 6: Final answer
    x = 21,101,175.51

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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.