Home / 36,385,709.20-54,578,563.80-18,192,712.30

Finding the Fourth Proportional to 36,385,709.20, 54,578,563.80 and 18,192,712.30

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Solution

The fourth proportional to 36,385,709.20, 54,578,563.80 and 18,192,712.30 is: 27,289,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385,709.20 : 54,578,563.80 = 18,192,712.30 : x
  2. Step 2: Convert to fraction form
    36,385,709.20/54,578,563.80 = 18,192,712.30/x
  3. Step 3: Cross multiply
    36,385,709.20x = 54,578,563.80 × 18,192,712.30
  4. Step 4: Simplify right side
    36,385,709.20x = 992,932,108,960,594.75
  5. Step 5: Solve for x
    x = 992,932,108,960,594.75/36,385,709.20
  6. Step 6: Final answer
    x = 27,289,068.45

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Double scale
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Similar ratio
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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.