Home / 17,419,985.88-26,128,290.30-5,289,555.96

Finding the Fourth Proportional to 17,419,985.88, 26,128,290.30 and 5,289,555.96

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Solution

The fourth proportional to 17,419,985.88, 26,128,290.30 and 5,289,555.96 is: 7,933,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,985.88 : 26,128,290.30 = 5,289,555.96 : x
  2. Step 2: Convert to fraction form
    17,419,985.88/26,128,290.30 = 5,289,555.96/x
  3. Step 3: Cross multiply
    17,419,985.88x = 26,128,290.30 × 5,289,555.96
  4. Step 4: Simplify right side
    17,419,985.88x = 138,207,053,680,975.19
  5. Step 5: Solve for x
    x = 138,207,053,680,975.19/17,419,985.88
  6. Step 6: Final answer
    x = 7,933,821.22

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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.