Home / 36,380,805.40-54,571,208.10-21,831,131.80

Finding the Fourth Proportional to 36,380,805.40, 54,571,208.10 and 21,831,131.80

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Solution

The fourth proportional to 36,380,805.40, 54,571,208.10 and 21,831,131.80 is: 32,746,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380,805.40 : 54,571,208.10 = 21,831,131.80 : x
  2. Step 2: Convert to fraction form
    36,380,805.40/54,571,208.10 = 21,831,131.80/x
  3. Step 3: Cross multiply
    36,380,805.40x = 54,571,208.10 × 21,831,131.80
  4. Step 4: Simplify right side
    36,380,805.40x = 1,191,351,236,516,327.75
  5. Step 5: Solve for x
    x = 1,191,351,236,516,327.75/36,380,805.40
  6. Step 6: Final answer
    x = 32,746,697.70

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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.