Home / 20,269,531.08-27,971,637.53-11,567,479.95

Finding the Fourth Proportional to 20,269,531.08, 27,971,637.53 and 11,567,479.95

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Solution

The fourth proportional to 20,269,531.08, 27,971,637.53 and 11,567,479.95 is: 15,962,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,531.08 : 27,971,637.53 = 11,567,479.95 : x
  2. Step 2: Convert to fraction form
    20,269,531.08/27,971,637.53 = 11,567,479.95/x
  3. Step 3: Cross multiply
    20,269,531.08x = 27,971,637.53 × 11,567,479.95
  4. Step 4: Simplify right side
    20,269,531.08x = 323,561,356,239,105.06
  5. Step 5: Solve for x
    x = 323,561,356,239,105.06/20,269,531.08
  6. Step 6: Final answer
    x = 15,962,942.36

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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.