Home / 20,002,177.20-30,003,265.80-19,683,312.60

Finding the Fourth Proportional to 20,002,177.20, 30,003,265.80 and 19,683,312.60

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Solution

The fourth proportional to 20,002,177.20, 30,003,265.80 and 19,683,312.60 is: 29,524,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,177.20 : 30,003,265.80 = 19,683,312.60 : x
  2. Step 2: Convert to fraction form
    20,002,177.20/30,003,265.80 = 19,683,312.60/x
  3. Step 3: Cross multiply
    20,002,177.20x = 30,003,265.80 × 19,683,312.60
  4. Step 4: Simplify right side
    20,002,177.20x = 590,563,659,762,289.12
  5. Step 5: Solve for x
    x = 590,563,659,762,289.12/20,002,177.20
  6. Step 6: Final answer
    x = 29,524,968.90

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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.