Home / 39,840,122.40-59,760,183.60-12,549,861.60

Finding the Fourth Proportional to 39,840,122.40, 59,760,183.60 and 12,549,861.60

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Solution

The fourth proportional to 39,840,122.40, 59,760,183.60 and 12,549,861.60 is: 18,824,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840,122.40 : 59,760,183.60 = 12,549,861.60 : x
  2. Step 2: Convert to fraction form
    39,840,122.40/59,760,183.60 = 12,549,861.60/x
  3. Step 3: Cross multiply
    39,840,122.40x = 59,760,183.60 × 12,549,861.60
  4. Step 4: Simplify right side
    39,840,122.40x = 749,982,033,370,589.75
  5. Step 5: Solve for x
    x = 749,982,033,370,589.75/39,840,122.40
  6. Step 6: Final answer
    x = 18,824,792.40

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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.