Home / 7,209,548.78-9,949,192.23-3,946,571.91

Finding the Fourth Proportional to 7,209,548.78, 9,949,192.23 and 3,946,571.91

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Solution

The fourth proportional to 7,209,548.78, 9,949,192.23 and 3,946,571.91 is: 5,446,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,548.78 : 9,949,192.23 = 3,946,571.91 : x
  2. Step 2: Convert to fraction form
    7,209,548.78/9,949,192.23 = 3,946,571.91/x
  3. Step 3: Cross multiply
    7,209,548.78x = 9,949,192.23 × 3,946,571.91
  4. Step 4: Simplify right side
    7,209,548.78x = 39,265,202,596,907.91
  5. Step 5: Solve for x
    x = 39,265,202,596,907.91/7,209,548.78
  6. Step 6: Final answer
    x = 5,446,277.41

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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.