Home / 13,962,989.36-19,270,680-7,851,374

Finding the Fourth Proportional to 13,962,989.36, 19,270,680 and 7,851,374

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Solution

The fourth proportional to 13,962,989.36, 19,270,680 and 7,851,374 is: 10,835,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962,989.36 : 19,270,680 = 7,851,374 : x
  2. Step 2: Convert to fraction form
    13,962,989.36/19,270,680 = 7,851,374/x
  3. Step 3: Cross multiply
    13,962,989.36x = 19,270,680 × 7,851,374
  4. Step 4: Simplify right side
    13,962,989.36x = 151,301,315,914,320
  5. Step 5: Solve for x
    x = 151,301,315,914,320/13,962,989.36
  6. Step 6: Final answer
    x = 10,835,882.78

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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.