Home / 13,338,734.74-18,407,466.07-7,227,163.24

Finding the Fourth Proportional to 13,338,734.74, 18,407,466.07 and 7,227,163.24

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Solution

The fourth proportional to 13,338,734.74, 18,407,466.07 and 7,227,163.24 is: 9,973,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,734.74 : 18,407,466.07 = 7,227,163.24 : x
  2. Step 2: Convert to fraction form
    13,338,734.74/18,407,466.07 = 7,227,163.24/x
  3. Step 3: Cross multiply
    13,338,734.74x = 18,407,466.07 × 7,227,163.24
  4. Step 4: Simplify right side
    13,338,734.74x = 133,033,762,058,564.69
  5. Step 5: Solve for x
    x = 133,033,762,058,564.69/13,338,734.74
  6. Step 6: Final answer
    x = 9,973,491.84

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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.