Home / 9,511,689.20-13,125,965.56-5,789,174.63

Finding the Fourth Proportional to 9,511,689.20, 13,125,965.56 and 5,789,174.63

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Solution

The fourth proportional to 9,511,689.20, 13,125,965.56 and 5,789,174.63 is: 7,988,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511,689.20 : 13,125,965.56 = 5,789,174.63 : x
  2. Step 2: Convert to fraction form
    9,511,689.20/13,125,965.56 = 5,789,174.63/x
  3. Step 3: Cross multiply
    9,511,689.20x = 13,125,965.56 × 5,789,174.63
  4. Step 4: Simplify right side
    9,511,689.20x = 75,988,506,734,102.97
  5. Step 5: Solve for x
    x = 75,988,506,734,102.97/9,511,689.20
  6. Step 6: Final answer
    x = 7,988,960.23

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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.