Home / 20,002,025.70-30,003,038.55-19,218,204.90

Finding the Fourth Proportional to 20,002,025.70, 30,003,038.55 and 19,218,204.90

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Solution

The fourth proportional to 20,002,025.70, 30,003,038.55 and 19,218,204.90 is: 28,827,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,025.70 : 30,003,038.55 = 19,218,204.90 : x
  2. Step 2: Convert to fraction form
    20,002,025.70/30,003,038.55 = 19,218,204.90/x
  3. Step 3: Cross multiply
    20,002,025.70x = 30,003,038.55 × 19,218,204.90
  4. Step 4: Simplify right side
    20,002,025.70x = 576,604,542,476,498.88
  5. Step 5: Solve for x
    x = 576,604,542,476,498.88/20,002,025.70
  6. Step 6: Final answer
    x = 28,827,307.35

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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.