Home / 7,002,028.79-9,662,970.59-3,904,521.90

Finding the Fourth Proportional to 7,002,028.79, 9,662,970.59 and 3,904,521.90

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Solution

The fourth proportional to 7,002,028.79, 9,662,970.59 and 3,904,521.90 is: 5,388,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,028.79 : 9,662,970.59 = 3,904,521.90 : x
  2. Step 2: Convert to fraction form
    7,002,028.79/9,662,970.59 = 3,904,521.90/x
  3. Step 3: Cross multiply
    7,002,028.79x = 9,662,970.59 × 3,904,521.90
  4. Step 4: Simplify right side
    7,002,028.79x = 37,729,280,268,188.31
  5. Step 5: Solve for x
    x = 37,729,280,268,188.31/7,002,028.79
  6. Step 6: Final answer
    x = 5,388,335.50

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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.