Home / 9,161,160.65-12,647,309.93-7,063,421.46

Finding the Fourth Proportional to 9,161,160.65, 12,647,309.93 and 7,063,421.46

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Solution

The fourth proportional to 9,161,160.65, 12,647,309.93 and 7,063,421.46 is: 9,751,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,160.65 : 12,647,309.93 = 7,063,421.46 : x
  2. Step 2: Convert to fraction form
    9,161,160.65/12,647,309.93 = 7,063,421.46/x
  3. Step 3: Cross multiply
    9,161,160.65x = 12,647,309.93 × 7,063,421.46
  4. Step 4: Simplify right side
    9,161,160.65x = 89,333,280,370,833.09
  5. Step 5: Solve for x
    x = 89,333,280,370,833.09/9,161,160.65
  6. Step 6: Final answer
    x = 9,751,305.95

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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.