Home / 13,267,729.04-19,900,844.98-5,879,648.78

Finding the Fourth Proportional to 13,267,729.04, 19,900,844.98 and 5,879,648.78

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Solution

The fourth proportional to 13,267,729.04, 19,900,844.98 and 5,879,648.78 is: 8,819,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,729.04 : 19,900,844.98 = 5,879,648.78 : x
  2. Step 2: Convert to fraction form
    13,267,729.04/19,900,844.98 = 5,879,648.78/x
  3. Step 3: Cross multiply
    13,267,729.04x = 19,900,844.98 × 5,879,648.78
  4. Step 4: Simplify right side
    13,267,729.04x = 117,009,978,907,626.12
  5. Step 5: Solve for x
    x = 117,009,978,907,626.12/13,267,729.04
  6. Step 6: Final answer
    x = 8,819,141.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.