Home / 16,721,578.56-23,075,971.92-9,279,396.48

Finding the Fourth Proportional to 16,721,578.56, 23,075,971.92 and 9,279,396.48

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Solution

The fourth proportional to 16,721,578.56, 23,075,971.92 and 9,279,396.48 is: 12,805,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,578.56 : 23,075,971.92 = 9,279,396.48 : x
  2. Step 2: Convert to fraction form
    16,721,578.56/23,075,971.92 = 9,279,396.48/x
  3. Step 3: Cross multiply
    16,721,578.56x = 23,075,971.92 × 9,279,396.48
  4. Step 4: Simplify right side
    16,721,578.56x = 214,131,092,607,026.88
  5. Step 5: Solve for x
    x = 214,131,092,607,026.88/16,721,578.56
  6. Step 6: Final answer
    x = 12,805,674.53

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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.