Home / 9,120,189.90-13,672,558.34-3,998,738.46

Finding the Fourth Proportional to 9,120,189.90, 13,672,558.34 and 3,998,738.46

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Solution

The fourth proportional to 9,120,189.90, 13,672,558.34 and 3,998,738.46 is: 5,994,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,189.90 : 13,672,558.34 = 3,998,738.46 : x
  2. Step 2: Convert to fraction form
    9,120,189.90/13,672,558.34 = 3,998,738.46/x
  3. Step 3: Cross multiply
    9,120,189.90x = 13,672,558.34 × 3,998,738.46
  4. Step 4: Simplify right side
    9,120,189.90x = 54,672,984,880,751.76
  5. Step 5: Solve for x
    x = 54,672,984,880,751.76/9,120,189.90
  6. Step 6: Final answer
    x = 5,994,720.01

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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.