Home / 19,851,713.68-27,392,143.44-12,408,494.80

Finding the Fourth Proportional to 19,851,713.68, 27,392,143.44 and 12,408,494.80

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Solution

The fourth proportional to 19,851,713.68, 27,392,143.44 and 12,408,494.80 is: 17,121,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851,713.68 : 27,392,143.44 = 12,408,494.80 : x
  2. Step 2: Convert to fraction form
    19,851,713.68/27,392,143.44 = 12,408,494.80/x
  3. Step 3: Cross multiply
    19,851,713.68x = 27,392,143.44 × 12,408,494.80
  4. Step 4: Simplify right side
    19,851,713.68x = 339,895,269,436,094.12
  5. Step 5: Solve for x
    x = 339,895,269,436,094.12/19,851,713.68
  6. Step 6: Final answer
    x = 17,121,709.23

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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.