Home / 12,813,040.77-17,679,261.57-7,587,690.42

Finding the Fourth Proportional to 12,813,040.77, 17,679,261.57 and 7,587,690.42

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Solution

The fourth proportional to 12,813,040.77, 17,679,261.57 and 7,587,690.42 is: 10,469,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,040.77 : 17,679,261.57 = 7,587,690.42 : x
  2. Step 2: Convert to fraction form
    12,813,040.77/17,679,261.57 = 7,587,690.42/x
  3. Step 3: Cross multiply
    12,813,040.77x = 17,679,261.57 × 7,587,690.42
  4. Step 4: Simplify right side
    12,813,040.77x = 134,144,763,647,363.16
  5. Step 5: Solve for x
    x = 134,144,763,647,363.16/12,813,040.77
  6. Step 6: Final answer
    x = 10,469,393.34

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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.