Home / 22,185,643.20-33,278,464.80-7,808,596.80

Finding the Fourth Proportional to 22,185,643.20, 33,278,464.80 and 7,808,596.80

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Solution

The fourth proportional to 22,185,643.20, 33,278,464.80 and 7,808,596.80 is: 11,712,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185,643.20 : 33,278,464.80 = 7,808,596.80 : x
  2. Step 2: Convert to fraction form
    22,185,643.20/33,278,464.80 = 7,808,596.80/x
  3. Step 3: Cross multiply
    22,185,643.20x = 33,278,464.80 × 7,808,596.80
  4. Step 4: Simplify right side
    22,185,643.20x = 259,858,113,746,192.62
  5. Step 5: Solve for x
    x = 259,858,113,746,192.62/22,185,643.20
  6. Step 6: Final answer
    x = 11,712,895.20

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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.