Home / 12,449,466.78-17,180,395.38-7,016,958.78

Finding the Fourth Proportional to 12,449,466.78, 17,180,395.38 and 7,016,958.78

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Solution

The fourth proportional to 12,449,466.78, 17,180,395.38 and 7,016,958.78 is: 9,683,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,466.78 : 17,180,395.38 = 7,016,958.78 : x
  2. Step 2: Convert to fraction form
    12,449,466.78/17,180,395.38 = 7,016,958.78/x
  3. Step 3: Cross multiply
    12,449,466.78x = 17,180,395.38 × 7,016,958.78
  4. Step 4: Simplify right side
    12,449,466.78x = 120,554,126,205,562.44
  5. Step 5: Solve for x
    x = 120,554,126,205,562.44/12,449,466.78
  6. Step 6: Final answer
    x = 9,683,477.08

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1.5x scale

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.