Home / 12,225,771.70-18,338,657.55-11,301,982.90

Finding the Fourth Proportional to 12,225,771.70, 18,338,657.55 and 11,301,982.90

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Solution

The fourth proportional to 12,225,771.70, 18,338,657.55 and 11,301,982.90 is: 16,952,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,771.70 : 18,338,657.55 = 11,301,982.90 : x
  2. Step 2: Convert to fraction form
    12,225,771.70/18,338,657.55 = 11,301,982.90/x
  3. Step 3: Cross multiply
    12,225,771.70x = 18,338,657.55 × 11,301,982.90
  4. Step 4: Simplify right side
    12,225,771.70x = 207,263,194,039,055.91
  5. Step 5: Solve for x
    x = 207,263,194,039,055.91/12,225,771.70
  6. Step 6: Final answer
    x = 16,952,974.35

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Similar ratio
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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.