Home / 20,033,584.80-30,014,947.80-16,986,656.40

Finding the Fourth Proportional to 20,033,584.80, 30,014,947.80 and 16,986,656.40

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Solution

The fourth proportional to 20,033,584.80, 30,014,947.80 and 16,986,656.40 is: 25,449,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033,584.80 : 30,014,947.80 = 16,986,656.40 : x
  2. Step 2: Convert to fraction form
    20,033,584.80/30,014,947.80 = 16,986,656.40/x
  3. Step 3: Cross multiply
    20,033,584.80x = 30,014,947.80 × 16,986,656.40
  4. Step 4: Simplify right side
    20,033,584.80x = 509,853,605,142,535.88
  5. Step 5: Solve for x
    x = 509,853,605,142,535.88/20,033,584.80
  6. Step 6: Final answer
    x = 25,449,943.69

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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.