Home / 7,212,356.27-9,953,067.77-3,904,685.36

Finding the Fourth Proportional to 7,212,356.27, 9,953,067.77 and 3,904,685.36

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Solution

The fourth proportional to 7,212,356.27, 9,953,067.77 and 3,904,685.36 is: 5,388,474.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,356.27 : 9,953,067.77 = 3,904,685.36 : x
  2. Step 2: Convert to fraction form
    7,212,356.27/9,953,067.77 = 3,904,685.36/x
  3. Step 3: Cross multiply
    7,212,356.27x = 9,953,067.77 × 3,904,685.36
  4. Step 4: Simplify right side
    7,212,356.27x = 38,863,598,030,259.59
  5. Step 5: Solve for x
    x = 38,863,598,030,259.59/7,212,356.27
  6. Step 6: Final answer
    x = 5,388,474.52

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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.