Home / 20,220,533.10-30,330,799.65-11,245,085.10

Finding the Fourth Proportional to 20,220,533.10, 30,330,799.65 and 11,245,085.10

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Solution

The fourth proportional to 20,220,533.10, 30,330,799.65 and 11,245,085.10 is: 16,867,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,533.10 : 30,330,799.65 = 11,245,085.10 : x
  2. Step 2: Convert to fraction form
    20,220,533.10/30,330,799.65 = 11,245,085.10/x
  3. Step 3: Cross multiply
    20,220,533.10x = 30,330,799.65 × 11,245,085.10
  4. Step 4: Simplify right side
    20,220,533.10x = 341,072,423,215,300.19
  5. Step 5: Solve for x
    x = 341,072,423,215,300.19/20,220,533.10
  6. Step 6: Final answer
    x = 16,867,627.65

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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.