Home / 17,419,988.85-26,128,294.80-5,289,558.93

Finding the Fourth Proportional to 17,419,988.85, 26,128,294.80 and 5,289,558.93

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Solution

The fourth proportional to 17,419,988.85, 26,128,294.80 and 5,289,558.93 is: 7,933,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,988.85 : 26,128,294.80 = 5,289,558.93 : x
  2. Step 2: Convert to fraction form
    17,419,988.85/26,128,294.80 = 5,289,558.93/x
  3. Step 3: Cross multiply
    17,419,988.85x = 26,128,294.80 × 5,289,558.93
  4. Step 4: Simplify right side
    17,419,988.85x = 138,207,155,085,012.56
  5. Step 5: Solve for x
    x = 138,207,155,085,012.56/17,419,988.85
  6. Step 6: Final answer
    x = 7,933,825.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.