Home / 13,334,669.80-20,002,004.70-12,812,122.60

Finding the Fourth Proportional to 13,334,669.80, 20,002,004.70 and 12,812,122.60

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Solution

The fourth proportional to 13,334,669.80, 20,002,004.70 and 12,812,122.60 is: 19,218,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334,669.80 : 20,002,004.70 = 12,812,122.60 : x
  2. Step 2: Convert to fraction form
    13,334,669.80/20,002,004.70 = 12,812,122.60/x
  3. Step 3: Cross multiply
    13,334,669.80x = 20,002,004.70 × 12,812,122.60
  4. Step 4: Simplify right side
    13,334,669.80x = 256,268,136,462,176.19
  5. Step 5: Solve for x
    x = 256,268,136,462,176.19/13,334,669.80
  6. Step 6: Final answer
    x = 19,218,183.90

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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.