Home / 9,161,159.65-12,647,308.55-7,063,420.46

Finding the Fourth Proportional to 9,161,159.65, 12,647,308.55 and 7,063,420.46

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Solution

The fourth proportional to 9,161,159.65, 12,647,308.55 and 7,063,420.46 is: 9,751,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,159.65 : 12,647,308.55 = 7,063,420.46 : x
  2. Step 2: Convert to fraction form
    9,161,159.65/12,647,308.55 = 7,063,420.46/x
  3. Step 3: Cross multiply
    9,161,159.65x = 12,647,308.55 × 7,063,420.46
  4. Step 4: Simplify right side
    9,161,159.65x = 89,333,257,976,002.94
  5. Step 5: Solve for x
    x = 89,333,257,976,002.94/9,161,159.65
  6. Step 6: Final answer
    x = 9,751,304.57

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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.