Home / 29,906,189.15-41,278,219.23-19,478,190.42

Finding the Fourth Proportional to 29,906,189.15, 41,278,219.23 and 19,478,190.42

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Solution

The fourth proportional to 29,906,189.15, 41,278,219.23 and 19,478,190.42 is: 26,884,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,906,189.15 : 41,278,219.23 = 19,478,190.42 : x
  2. Step 2: Convert to fraction form
    29,906,189.15/41,278,219.23 = 19,478,190.42/x
  3. Step 3: Cross multiply
    29,906,189.15x = 41,278,219.23 × 19,478,190.42
  4. Step 4: Simplify right side
    29,906,189.15x = 804,025,014,360,445.75
  5. Step 5: Solve for x
    x = 804,025,014,360,445.75/29,906,189.15
  6. Step 6: Final answer
    x = 26,884,903.67

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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.