Home / 13,332,388.89-18,398,639.91-7,452,015.28

Finding the Fourth Proportional to 13,332,388.89, 18,398,639.91 and 7,452,015.28

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Solution

The fourth proportional to 13,332,388.89, 18,398,639.91 and 7,452,015.28 is: 10,283,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332,388.89 : 18,398,639.91 = 7,452,015.28 : x
  2. Step 2: Convert to fraction form
    13,332,388.89/18,398,639.91 = 7,452,015.28/x
  3. Step 3: Cross multiply
    13,332,388.89x = 18,398,639.91 × 7,452,015.28
  4. Step 4: Simplify right side
    13,332,388.89x = 137,106,945,740,537.83
  5. Step 5: Solve for x
    x = 137,106,945,740,537.83/13,332,388.89
  6. Step 6: Final answer
    x = 10,283,749.36

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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.