Home / 12,879,244.80-19,296,748.80-6,804,979.20

Finding the Fourth Proportional to 12,879,244.80, 19,296,748.80 and 6,804,979.20

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Solution

The fourth proportional to 12,879,244.80, 19,296,748.80 and 6,804,979.20 is: 10,195,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,244.80 : 19,296,748.80 = 6,804,979.20 : x
  2. Step 2: Convert to fraction form
    12,879,244.80/19,296,748.80 = 6,804,979.20/x
  3. Step 3: Cross multiply
    12,879,244.80x = 19,296,748.80 × 6,804,979.20
  4. Step 4: Simplify right side
    12,879,244.80x = 131,313,974,211,624.97
  5. Step 5: Solve for x
    x = 131,313,974,211,624.97/12,879,244.80
  6. Step 6: Final answer
    x = 10,195,782.15

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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.