Home / 12,404,536.14-17,121,868.46-8,274,557.45

Finding the Fourth Proportional to 12,404,536.14, 17,121,868.46 and 8,274,557.45

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Solution

The fourth proportional to 12,404,536.14, 17,121,868.46 and 8,274,557.45 is: 11,421,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404,536.14 : 17,121,868.46 = 8,274,557.45 : x
  2. Step 2: Convert to fraction form
    12,404,536.14/17,121,868.46 = 8,274,557.45/x
  3. Step 3: Cross multiply
    12,404,536.14x = 17,121,868.46 × 8,274,557.45
  4. Step 4: Simplify right side
    12,404,536.14x = 141,675,884,256,074.47
  5. Step 5: Solve for x
    x = 141,675,884,256,074.47/12,404,536.14
  6. Step 6: Final answer
    x = 11,421,296.42

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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.