Home / 14,100,486.79-21,150,803.16-6,418,759.48

Finding the Fourth Proportional to 14,100,486.79, 21,150,803.16 and 6,418,759.48

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Solution

The fourth proportional to 14,100,486.79, 21,150,803.16 and 6,418,759.48 is: 9,628,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100,486.79 : 21,150,803.16 = 6,418,759.48 : x
  2. Step 2: Convert to fraction form
    14,100,486.79/21,150,803.16 = 6,418,759.48/x
  3. Step 3: Cross multiply
    14,100,486.79x = 21,150,803.16 × 6,418,759.48
  4. Step 4: Simplify right side
    14,100,486.79x = 135,761,918,292,863.97
  5. Step 5: Solve for x
    x = 135,761,918,292,863.97/14,100,486.79
  6. Step 6: Final answer
    x = 9,628,172.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.