Home / 9,418,861.20-14,128,291.80-3,360,433.80

Finding the Fourth Proportional to 9,418,861.20, 14,128,291.80 and 3,360,433.80

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Solution

The fourth proportional to 9,418,861.20, 14,128,291.80 and 3,360,433.80 is: 5,040,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,861.20 : 14,128,291.80 = 3,360,433.80 : x
  2. Step 2: Convert to fraction form
    9,418,861.20/14,128,291.80 = 3,360,433.80/x
  3. Step 3: Cross multiply
    9,418,861.20x = 14,128,291.80 × 3,360,433.80
  4. Step 4: Simplify right side
    9,418,861.20x = 47,477,189,300,982.84
  5. Step 5: Solve for x
    x = 47,477,189,300,982.84/9,418,861.20
  6. Step 6: Final answer
    x = 5,040,650.70

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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.