Home / 7,216,400.37-9,958,644.27-3,953,143.47

Finding the Fourth Proportional to 7,216,400.37, 9,958,644.27 and 3,953,143.47

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Solution

The fourth proportional to 7,216,400.37, 9,958,644.27 and 3,953,143.47 is: 5,455,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,400.37 : 9,958,644.27 = 3,953,143.47 : x
  2. Step 2: Convert to fraction form
    7,216,400.37/9,958,644.27 = 3,953,143.47/x
  3. Step 3: Cross multiply
    7,216,400.37x = 9,958,644.27 × 3,953,143.47
  4. Step 4: Simplify right side
    7,216,400.37x = 39,367,949,566,003.41
  5. Step 5: Solve for x
    x = 39,367,949,566,003.41/7,216,400.37
  6. Step 6: Final answer
    x = 5,455,344.43

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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.