Home / 20,313,229.34-30,472,155.11-7,365,478.16

Finding the Fourth Proportional to 20,313,229.34, 30,472,155.11 and 7,365,478.16

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Solution

The fourth proportional to 20,313,229.34, 30,472,155.11 and 7,365,478.16 is: 11,049,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,229.34 : 30,472,155.11 = 7,365,478.16 : x
  2. Step 2: Convert to fraction form
    20,313,229.34/30,472,155.11 = 7,365,478.16/x
  3. Step 3: Cross multiply
    20,313,229.34x = 30,472,155.11 × 7,365,478.16
  4. Step 4: Simplify right side
    20,313,229.34x = 224,441,993,045,431.47
  5. Step 5: Solve for x
    x = 224,441,993,045,431.47/20,313,229.34
  6. Step 6: Final answer
    x = 11,049,055.24

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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.