Home / 18,231,782.67-25,159,656.24-9,972,082.26

Finding the Fourth Proportional to 18,231,782.67, 25,159,656.24 and 9,972,082.26

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Solution

The fourth proportional to 18,231,782.67, 25,159,656.24 and 9,972,082.26 is: 13,761,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231,782.67 : 25,159,656.24 = 9,972,082.26 : x
  2. Step 2: Convert to fraction form
    18,231,782.67/25,159,656.24 = 9,972,082.26/x
  3. Step 3: Cross multiply
    18,231,782.67x = 25,159,656.24 × 9,972,082.26
  4. Step 4: Simplify right side
    18,231,782.67x = 250,894,161,658,602.28
  5. Step 5: Solve for x
    x = 250,894,161,658,602.28/18,231,782.67
  6. Step 6: Final answer
    x = 13,761,362.02

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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.