Home / 7,171,405.91-9,896,251.44-3,908,150.58

Finding the Fourth Proportional to 7,171,405.91, 9,896,251.44 and 3,908,150.58

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Solution

The fourth proportional to 7,171,405.91, 9,896,251.44 and 3,908,150.58 is: 5,393,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,405.91 : 9,896,251.44 = 3,908,150.58 : x
  2. Step 2: Convert to fraction form
    7,171,405.91/9,896,251.44 = 3,908,150.58/x
  3. Step 3: Cross multiply
    7,171,405.91x = 9,896,251.44 × 3,908,150.58
  4. Step 4: Simplify right side
    7,171,405.91x = 38,676,040,736,039.83
  5. Step 5: Solve for x
    x = 38,676,040,736,039.83/7,171,405.91
  6. Step 6: Final answer
    x = 5,393,090.45

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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.