Home / 7,216,403.37-9,958,648.41-3,953,146.47

Finding the Fourth Proportional to 7,216,403.37, 9,958,648.41 and 3,953,146.47

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Solution

The fourth proportional to 7,216,403.37, 9,958,648.41 and 3,953,146.47 is: 5,455,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,403.37 : 9,958,648.41 = 3,953,146.47 : x
  2. Step 2: Convert to fraction form
    7,216,403.37/9,958,648.41 = 3,953,146.47/x
  3. Step 3: Cross multiply
    7,216,403.37x = 9,958,648.41 × 3,953,146.47
  4. Step 4: Simplify right side
    7,216,403.37x = 39,367,995,807,962.62
  5. Step 5: Solve for x
    x = 39,367,995,807,962.62/7,216,403.37
  6. Step 6: Final answer
    x = 5,455,348.57

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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.