Home / 7,216,143.53-9,958,279.94-3,953,074.26

Finding the Fourth Proportional to 7,216,143.53, 9,958,279.94 and 3,953,074.26

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Solution

The fourth proportional to 7,216,143.53, 9,958,279.94 and 3,953,074.26 is: 5,455,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,143.53 : 9,958,279.94 = 3,953,074.26 : x
  2. Step 2: Convert to fraction form
    7,216,143.53/9,958,279.94 = 3,953,074.26/x
  3. Step 3: Cross multiply
    7,216,143.53x = 9,958,279.94 × 3,953,074.26
  4. Step 4: Simplify right side
    7,216,143.53x = 39,365,820,084,922.98
  5. Step 5: Solve for x
    x = 39,365,820,084,922.98/7,216,143.53
  6. Step 6: Final answer
    x = 5,455,243.50

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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.