Home / 13,162,954.75-19,728,260.95-7,393,560.70

Finding the Fourth Proportional to 13,162,954.75, 19,728,260.95 and 7,393,560.70

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Solution

The fourth proportional to 13,162,954.75, 19,728,260.95 and 7,393,560.70 is: 11,081,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162,954.75 : 19,728,260.95 = 7,393,560.70 : x
  2. Step 2: Convert to fraction form
    13,162,954.75/19,728,260.95 = 7,393,560.70/x
  3. Step 3: Cross multiply
    13,162,954.75x = 19,728,260.95 × 7,393,560.70
  4. Step 4: Simplify right side
    13,162,954.75x = 145,862,094,839,264.66
  5. Step 5: Solve for x
    x = 145,862,094,839,264.66/13,162,954.75
  6. Step 6: Final answer
    x = 11,081,257.79

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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.