Home / 7,962,195.20-11,943,292.80-2,643,411.20

Finding the Fourth Proportional to 7,962,195.20, 11,943,292.80 and 2,643,411.20

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Solution

The fourth proportional to 7,962,195.20, 11,943,292.80 and 2,643,411.20 is: 3,965,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962,195.20 : 11,943,292.80 = 2,643,411.20 : x
  2. Step 2: Convert to fraction form
    7,962,195.20/11,943,292.80 = 2,643,411.20/x
  3. Step 3: Cross multiply
    7,962,195.20x = 11,943,292.80 × 2,643,411.20
  4. Step 4: Simplify right side
    7,962,195.20x = 31,571,033,952,399.36
  5. Step 5: Solve for x
    x = 31,571,033,952,399.36/7,962,195.20
  6. Step 6: Final answer
    x = 3,965,116.80

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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.