Home / 10,115,366.72-13,959,448.48-5,764,360

Finding the Fourth Proportional to 10,115,366.72, 13,959,448.48 and 5,764,360

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Solution

The fourth proportional to 10,115,366.72, 13,959,448.48 and 5,764,360 is: 7,954,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,366.72 : 13,959,448.48 = 5,764,360 : x
  2. Step 2: Convert to fraction form
    10,115,366.72/13,959,448.48 = 5,764,360/x
  3. Step 3: Cross multiply
    10,115,366.72x = 13,959,448.48 × 5,764,360
  4. Step 4: Simplify right side
    10,115,366.72x = 80,467,286,440,172.80
  5. Step 5: Solve for x
    x = 80,467,286,440,172.80/10,115,366.72
  6. Step 6: Final answer
    x = 7,954,954.94

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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.