Home / 18,145,210.20-27,217,815.30-13,666,234.20

Finding the Fourth Proportional to 18,145,210.20, 27,217,815.30 and 13,666,234.20

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Solution

The fourth proportional to 18,145,210.20, 27,217,815.30 and 13,666,234.20 is: 20,499,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,210.20 : 27,217,815.30 = 13,666,234.20 : x
  2. Step 2: Convert to fraction form
    18,145,210.20/27,217,815.30 = 13,666,234.20/x
  3. Step 3: Cross multiply
    18,145,210.20x = 27,217,815.30 × 13,666,234.20
  4. Step 4: Simplify right side
    18,145,210.20x = 371,965,038,302,143.25
  5. Step 5: Solve for x
    x = 371,965,038,302,143.25/18,145,210.20
  6. Step 6: Final answer
    x = 20,499,351.30

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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.