Home / 7,119,948.47-9,825,576.06-3,856,763.16

Finding the Fourth Proportional to 7,119,948.47, 9,825,576.06 and 3,856,763.16

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Solution

The fourth proportional to 7,119,948.47, 9,825,576.06 and 3,856,763.16 is: 5,322,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,948.47 : 9,825,576.06 = 3,856,763.16 : x
  2. Step 2: Convert to fraction form
    7,119,948.47/9,825,576.06 = 3,856,763.16/x
  3. Step 3: Cross multiply
    7,119,948.47x = 9,825,576.06 × 3,856,763.16
  4. Step 4: Simplify right side
    7,119,948.47x = 37,894,919,766,754.52
  5. Step 5: Solve for x
    x = 37,894,919,766,754.52/7,119,948.47
  6. Step 6: Final answer
    x = 5,322,358.71

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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.