Home / 13,013,456.33-17,958,571.41-7,212,612.58

Finding the Fourth Proportional to 13,013,456.33, 17,958,571.41 and 7,212,612.58

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Solution

The fourth proportional to 13,013,456.33, 17,958,571.41 and 7,212,612.58 is: 9,953,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,456.33 : 17,958,571.41 = 7,212,612.58 : x
  2. Step 2: Convert to fraction form
    13,013,456.33/17,958,571.41 = 7,212,612.58/x
  3. Step 3: Cross multiply
    13,013,456.33x = 17,958,571.41 × 7,212,612.58
  4. Step 4: Simplify right side
    13,013,456.33x = 129,528,218,012,174.23
  5. Step 5: Solve for x
    x = 129,528,218,012,174.23/13,013,456.33
  6. Step 6: Final answer
    x = 9,953,406.28

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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.