Home / 20,002,025.20-30,003,037.80-19,218,204.40

Finding the Fourth Proportional to 20,002,025.20, 30,003,037.80 and 19,218,204.40

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Solution

The fourth proportional to 20,002,025.20, 30,003,037.80 and 19,218,204.40 is: 28,827,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,025.20 : 30,003,037.80 = 19,218,204.40 : x
  2. Step 2: Convert to fraction form
    20,002,025.20/30,003,037.80 = 19,218,204.40/x
  3. Step 3: Cross multiply
    20,002,025.20x = 30,003,037.80 × 19,218,204.40
  4. Step 4: Simplify right side
    20,002,025.20x = 576,604,513,061,326.25
  5. Step 5: Solve for x
    x = 576,604,513,061,326.25/20,002,025.20
  6. Step 6: Final answer
    x = 28,827,306.60

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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.