Home / 12,606,659.21-17,397,836.17-7,710,343.44

Finding the Fourth Proportional to 12,606,659.21, 17,397,836.17 and 7,710,343.44

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Solution

The fourth proportional to 12,606,659.21, 17,397,836.17 and 7,710,343.44 is: 10,640,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606,659.21 : 17,397,836.17 = 7,710,343.44 : x
  2. Step 2: Convert to fraction form
    12,606,659.21/17,397,836.17 = 7,710,343.44/x
  3. Step 3: Cross multiply
    12,606,659.21x = 17,397,836.17 × 7,710,343.44
  4. Step 4: Simplify right side
    12,606,659.21x = 134,143,291,964,278.38
  5. Step 5: Solve for x
    x = 134,143,291,964,278.38/12,606,659.21
  6. Step 6: Final answer
    x = 10,640,669.33

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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.