Home / 20,178,027.55-30,267,041.33-19,062,001.45

Finding the Fourth Proportional to 20,178,027.55, 30,267,041.33 and 19,062,001.45

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Solution

The fourth proportional to 20,178,027.55, 30,267,041.33 and 19,062,001.45 is: 28,593,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,027.55 : 30,267,041.33 = 19,062,001.45 : x
  2. Step 2: Convert to fraction form
    20,178,027.55/30,267,041.33 = 19,062,001.45/x
  3. Step 3: Cross multiply
    20,178,027.55x = 30,267,041.33 × 19,062,001.45
  4. Step 4: Simplify right side
    20,178,027.55x = 576,950,385,719,669.88
  5. Step 5: Solve for x
    x = 576,950,385,719,669.88/20,178,027.55
  6. Step 6: Final answer
    x = 28,593,002.18

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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.