Home / 12,738,391.44-17,578,859.24-6,937,270

Finding the Fourth Proportional to 12,738,391.44, 17,578,859.24 and 6,937,270

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Solution

The fourth proportional to 12,738,391.44, 17,578,859.24 and 6,937,270 is: 9,573,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,391.44 : 17,578,859.24 = 6,937,270 : x
  2. Step 2: Convert to fraction form
    12,738,391.44/17,578,859.24 = 6,937,270/x
  3. Step 3: Cross multiply
    12,738,391.44x = 17,578,859.24 × 6,937,270
  4. Step 4: Simplify right side
    12,738,391.44x = 121,949,292,839,874.78
  5. Step 5: Solve for x
    x = 121,949,292,839,874.78/12,738,391.44
  6. Step 6: Final answer
    x = 9,573,366.73

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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.