Home / 12,412,100.53-17,121,566.09-7,757,808.11

Finding the Fourth Proportional to 12,412,100.53, 17,121,566.09 and 7,757,808.11

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Solution

The fourth proportional to 12,412,100.53, 17,121,566.09 and 7,757,808.11 is: 10,701,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,100.53 : 17,121,566.09 = 7,757,808.11 : x
  2. Step 2: Convert to fraction form
    12,412,100.53/17,121,566.09 = 7,757,808.11/x
  3. Step 3: Cross multiply
    12,412,100.53x = 17,121,566.09 × 7,757,808.11
  4. Step 4: Simplify right side
    12,412,100.53x = 132,825,824,331,101.44
  5. Step 5: Solve for x
    x = 132,825,824,331,101.44/12,412,100.53
  6. Step 6: Final answer
    x = 10,701,317.16

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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.