Home / 20,002,079.20-30,003,118.80-19,683,214.60

Finding the Fourth Proportional to 20,002,079.20, 30,003,118.80 and 19,683,214.60

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Solution

The fourth proportional to 20,002,079.20, 30,003,118.80 and 19,683,214.60 is: 29,524,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,079.20 : 30,003,118.80 = 19,683,214.60 : x
  2. Step 2: Convert to fraction form
    20,002,079.20/30,003,118.80 = 19,683,214.60/x
  3. Step 3: Cross multiply
    20,002,079.20x = 30,003,118.80 × 19,683,214.60
  4. Step 4: Simplify right side
    20,002,079.20x = 590,557,826,009,694.50
  5. Step 5: Solve for x
    x = 590,557,826,009,694.50/20,002,079.20
  6. Step 6: Final answer
    x = 29,524,821.90

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1.5x scale

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.