Home / 12,383,301.60-18,574,952.40-6,643,738.80

Finding the Fourth Proportional to 12,383,301.60, 18,574,952.40 and 6,643,738.80

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Solution

The fourth proportional to 12,383,301.60, 18,574,952.40 and 6,643,738.80 is: 9,965,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,301.60 : 18,574,952.40 = 6,643,738.80 : x
  2. Step 2: Convert to fraction form
    12,383,301.60/18,574,952.40 = 6,643,738.80/x
  3. Step 3: Cross multiply
    12,383,301.60x = 18,574,952.40 × 6,643,738.80
  4. Step 4: Simplify right side
    12,383,301.60x = 123,407,131,968,033.11
  5. Step 5: Solve for x
    x = 123,407,131,968,033.11/12,383,301.60
  6. Step 6: Final answer
    x = 9,965,608.20

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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.