Home / 7,174,986.36-9,901,474.21-3,911,800.23

Finding the Fourth Proportional to 7,174,986.36, 9,901,474.21 and 3,911,800.23

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Solution

The fourth proportional to 7,174,986.36, 9,901,474.21 and 3,911,800.23 is: 5,398,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174,986.36 : 9,901,474.21 = 3,911,800.23 : x
  2. Step 2: Convert to fraction form
    7,174,986.36/9,901,474.21 = 3,911,800.23/x
  3. Step 3: Cross multiply
    7,174,986.36x = 9,901,474.21 × 3,911,800.23
  4. Step 4: Simplify right side
    7,174,986.36x = 38,732,589,063,672.30
  5. Step 5: Solve for x
    x = 38,732,589,063,672.30/7,174,986.36
  6. Step 6: Final answer
    x = 5,398,280.51

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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.