Home / 13,315,663.98-18,375,539.31-7,203,961.26

Finding the Fourth Proportional to 13,315,663.98, 18,375,539.31 and 7,203,961.26

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Solution

The fourth proportional to 13,315,663.98, 18,375,539.31 and 7,203,961.26 is: 9,941,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,663.98 : 18,375,539.31 = 7,203,961.26 : x
  2. Step 2: Convert to fraction form
    13,315,663.98/18,375,539.31 = 7,203,961.26/x
  3. Step 3: Cross multiply
    13,315,663.98x = 18,375,539.31 × 7,203,961.26
  4. Step 4: Simplify right side
    13,315,663.98x = 132,376,673,320,847.11
  5. Step 5: Solve for x
    x = 132,376,673,320,847.11/13,315,663.98
  6. Step 6: Final answer
    x = 9,941,424.89

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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.