Home / 20,178,028.55-30,267,042.83-19,062,002.45

Finding the Fourth Proportional to 20,178,028.55, 30,267,042.83 and 19,062,002.45

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Solution

The fourth proportional to 20,178,028.55, 30,267,042.83 and 19,062,002.45 is: 28,593,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,028.55 : 30,267,042.83 = 19,062,002.45 : x
  2. Step 2: Convert to fraction form
    20,178,028.55/30,267,042.83 = 19,062,002.45/x
  3. Step 3: Cross multiply
    20,178,028.55x = 30,267,042.83 × 19,062,002.45
  4. Step 4: Simplify right side
    20,178,028.55x = 576,950,444,579,714.88
  5. Step 5: Solve for x
    x = 576,950,444,579,714.88/20,178,028.55
  6. Step 6: Final answer
    x = 28,593,003.68

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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.