Home / 11,146,042.90-15,375,006.72-7,009,512.82

Finding the Fourth Proportional to 11,146,042.90, 15,375,006.72 and 7,009,512.82

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Solution

The fourth proportional to 11,146,042.90, 15,375,006.72 and 7,009,512.82 is: 9,669,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,042.90 : 15,375,006.72 = 7,009,512.82 : x
  2. Step 2: Convert to fraction form
    11,146,042.90/15,375,006.72 = 7,009,512.82/x
  3. Step 3: Cross multiply
    11,146,042.90x = 15,375,006.72 × 7,009,512.82
  4. Step 4: Simplify right side
    11,146,042.90x = 107,771,306,711,426.16
  5. Step 5: Solve for x
    x = 107,771,306,711,426.16/11,146,042.90
  6. Step 6: Final answer
    x = 9,669,019.55

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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.