Home / 20,178,027.80-30,267,041.70-19,062,001.70

Finding the Fourth Proportional to 20,178,027.80, 30,267,041.70 and 19,062,001.70

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Solution

The fourth proportional to 20,178,027.80, 30,267,041.70 and 19,062,001.70 is: 28,593,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,027.80 : 30,267,041.70 = 19,062,001.70 : x
  2. Step 2: Convert to fraction form
    20,178,027.80/30,267,041.70 = 19,062,001.70/x
  3. Step 3: Cross multiply
    20,178,027.80x = 30,267,041.70 × 19,062,001.70
  4. Step 4: Simplify right side
    20,178,027.80x = 576,950,400,339,370.88
  5. Step 5: Solve for x
    x = 576,950,400,339,370.88/20,178,027.80
  6. Step 6: Final answer
    x = 28,593,002.55

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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.