Home / 13,456,266.30-18,569,647.56-7,344,694.80

Finding the Fourth Proportional to 13,456,266.30, 18,569,647.56 and 7,344,694.80

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Solution

The fourth proportional to 13,456,266.30, 18,569,647.56 and 7,344,694.80 is: 10,135,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,266.30 : 18,569,647.56 = 7,344,694.80 : x
  2. Step 2: Convert to fraction form
    13,456,266.30/18,569,647.56 = 7,344,694.80/x
  3. Step 3: Cross multiply
    13,456,266.30x = 18,569,647.56 × 7,344,694.80
  4. Step 4: Simplify right side
    13,456,266.30x = 136,388,393,871,764.67
  5. Step 5: Solve for x
    x = 136,388,393,871,764.67/13,456,266.30
  6. Step 6: Final answer
    x = 10,135,678.86

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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.