Home / 21,986,550.80-33,000,821.40-18,795,280.40

Finding the Fourth Proportional to 21,986,550.80, 33,000,821.40 and 18,795,280.40

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Solution

The fourth proportional to 21,986,550.80, 33,000,821.40 and 18,795,280.40 is: 28,210,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986,550.80 : 33,000,821.40 = 18,795,280.40 : x
  2. Step 2: Convert to fraction form
    21,986,550.80/33,000,821.40 = 18,795,280.40/x
  3. Step 3: Cross multiply
    21,986,550.80x = 33,000,821.40 × 18,795,280.40
  4. Step 4: Simplify right side
    21,986,550.80x = 620,259,691,643,320.50
  5. Step 5: Solve for x
    x = 620,259,691,643,320.50/21,986,550.80
  6. Step 6: Final answer
    x = 28,210,868.42

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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.