Home / 13,026,574.28-17,978,824.82-7,227,223.72

Finding the Fourth Proportional to 13,026,574.28, 17,978,824.82 and 7,227,223.72

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Solution

The fourth proportional to 13,026,574.28, 17,978,824.82 and 7,227,223.72 is: 9,974,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026,574.28 : 17,978,824.82 = 7,227,223.72 : x
  2. Step 2: Convert to fraction form
    13,026,574.28/17,978,824.82 = 7,227,223.72/x
  3. Step 3: Cross multiply
    13,026,574.28x = 17,978,824.82 × 7,227,223.72
  4. Step 4: Simplify right side
    13,026,574.28x = 129,936,989,196,828.73
  5. Step 5: Solve for x
    x = 129,936,989,196,828.73/13,026,574.28
  6. Step 6: Final answer
    x = 9,974,762.85

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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.