Home / 9,161,290.89-12,647,489.45-7,063,551.45

Finding the Fourth Proportional to 9,161,290.89, 12,647,489.45 and 7,063,551.45

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Solution

The fourth proportional to 9,161,290.89, 12,647,489.45 and 7,063,551.45 is: 9,751,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,290.89 : 12,647,489.45 = 7,063,551.45 : x
  2. Step 2: Convert to fraction form
    9,161,290.89/12,647,489.45 = 7,063,551.45/x
  3. Step 3: Cross multiply
    9,161,290.89x = 12,647,489.45 × 7,063,551.45
  4. Step 4: Simplify right side
    9,161,290.89x = 89,336,192,408,089.45
  5. Step 5: Solve for x
    x = 89,336,192,408,089.45/9,161,290.89
  6. Step 6: Final answer
    x = 9,751,485.19

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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.