Home / 36,762,482.80-55,143,724.20-20,638,169.20

Finding the Fourth Proportional to 36,762,482.80, 55,143,724.20 and 20,638,169.20

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Solution

The fourth proportional to 36,762,482.80, 55,143,724.20 and 20,638,169.20 is: 30,957,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,762,482.80 : 55,143,724.20 = 20,638,169.20 : x
  2. Step 2: Convert to fraction form
    36,762,482.80/55,143,724.20 = 20,638,169.20/x
  3. Step 3: Cross multiply
    36,762,482.80x = 55,143,724.20 × 20,638,169.20
  4. Step 4: Simplify right side
    36,762,482.80x = 1,138,065,510,357,734.75
  5. Step 5: Solve for x
    x = 1,138,065,510,357,734.75/36,762,482.80
  6. Step 6: Final answer
    x = 30,957,253.80

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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.