Home / 9,161,017.88-12,647,112.80-7,063,278.57

Finding the Fourth Proportional to 9,161,017.88, 12,647,112.80 and 7,063,278.57

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Solution

The fourth proportional to 9,161,017.88, 12,647,112.80 and 7,063,278.57 is: 9,751,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,017.88 : 12,647,112.80 = 7,063,278.57 : x
  2. Step 2: Convert to fraction form
    9,161,017.88/12,647,112.80 = 7,063,278.57/x
  3. Step 3: Cross multiply
    9,161,017.88x = 12,647,112.80 × 7,063,278.57
  4. Step 4: Simplify right side
    9,161,017.88x = 89,330,080,777,296.31
  5. Step 5: Solve for x
    x = 89,330,080,777,296.31/9,161,017.88
  6. Step 6: Final answer
    x = 9,751,108.66

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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.