Home / 12,647,927.57-17,454,260.26-7,421,024.57

Finding the Fourth Proportional to 12,647,927.57, 17,454,260.26 and 7,421,024.57

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Solution

The fourth proportional to 12,647,927.57, 17,454,260.26 and 7,421,024.57 is: 10,241,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,927.57 : 17,454,260.26 = 7,421,024.57 : x
  2. Step 2: Convert to fraction form
    12,647,927.57/17,454,260.26 = 7,421,024.57/x
  3. Step 3: Cross multiply
    12,647,927.57x = 17,454,260.26 × 7,421,024.57
  4. Step 4: Simplify right side
    12,647,927.57x = 129,528,494,240,634.61
  5. Step 5: Solve for x
    x = 129,528,494,240,634.61/12,647,927.57
  6. Step 6: Final answer
    x = 10,241,084.44

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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.