Home / 10,580,196.92-15,839,786.72-9,486,215.78

Finding the Fourth Proportional to 10,580,196.92, 15,839,786.72 and 9,486,215.78

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Solution

The fourth proportional to 10,580,196.92, 15,839,786.72 and 9,486,215.78 is: 14,201,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580,196.92 : 15,839,786.72 = 9,486,215.78 : x
  2. Step 2: Convert to fraction form
    10,580,196.92/15,839,786.72 = 9,486,215.78/x
  3. Step 3: Cross multiply
    10,580,196.92x = 15,839,786.72 × 9,486,215.78
  4. Step 4: Simplify right side
    10,580,196.92x = 150,259,634,679,615.06
  5. Step 5: Solve for x
    x = 150,259,634,679,615.06/10,580,196.92
  6. Step 6: Final answer
    x = 14,201,969.57

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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.