Home / 22,191,324.60-30,618,946.83-13,248,694.35

Finding the Fourth Proportional to 22,191,324.60, 30,618,946.83 and 13,248,694.35

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Solution

The fourth proportional to 22,191,324.60, 30,618,946.83 and 13,248,694.35 is: 18,280,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191,324.60 : 30,618,946.83 = 13,248,694.35 : x
  2. Step 2: Convert to fraction form
    22,191,324.60/30,618,946.83 = 13,248,694.35/x
  3. Step 3: Cross multiply
    22,191,324.60x = 30,618,946.83 × 13,248,694.35
  4. Step 4: Simplify right side
    22,191,324.60x = 405,661,067,869,571.38
  5. Step 5: Solve for x
    x = 405,661,067,869,571.38/22,191,324.60
  6. Step 6: Final answer
    x = 18,280,164.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.