Home / 20,019,877.88-30,032,178.77-15,003,074.84

Finding the Fourth Proportional to 20,019,877.88, 30,032,178.77 and 15,003,074.84

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Solution

The fourth proportional to 20,019,877.88, 30,032,178.77 and 15,003,074.84 is: 22,506,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,877.88 : 30,032,178.77 = 15,003,074.84 : x
  2. Step 2: Convert to fraction form
    20,019,877.88/30,032,178.77 = 15,003,074.84/x
  3. Step 3: Cross multiply
    20,019,877.88x = 30,032,178.77 × 15,003,074.84
  4. Step 4: Simplify right side
    20,019,877.88x = 450,575,025,469,392.94
  5. Step 5: Solve for x
    x = 450,575,025,469,392.94/20,019,877.88
  6. Step 6: Final answer
    x = 22,506,382.32

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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.