Home / 20,188,283.26-27,859,944.06-11,486,455.69

Finding the Fourth Proportional to 20,188,283.26, 27,859,944.06 and 11,486,455.69

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Solution

The fourth proportional to 20,188,283.26, 27,859,944.06 and 11,486,455.69 is: 15,851,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,283.26 : 27,859,944.06 = 11,486,455.69 : x
  2. Step 2: Convert to fraction form
    20,188,283.26/27,859,944.06 = 11,486,455.69/x
  3. Step 3: Cross multiply
    20,188,283.26x = 27,859,944.06 × 11,486,455.69
  4. Step 4: Simplify right side
    20,188,283.26x = 320,012,012,971,068.69
  5. Step 5: Solve for x
    x = 320,012,012,971,068.69/20,188,283.26
  6. Step 6: Final answer
    x = 15,851,373.24

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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.