Home / 13,541,433-20,315,431.22-7,787,849.10

Finding the Fourth Proportional to 13,541,433, 20,315,431.22 and 7,787,849.10

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Solution

The fourth proportional to 13,541,433, 20,315,431.22 and 7,787,849.10 is: 11,683,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,433 : 20,315,431.22 = 7,787,849.10 : x
  2. Step 2: Convert to fraction form
    13,541,433/20,315,431.22 = 7,787,849.10/x
  3. Step 3: Cross multiply
    13,541,433x = 20,315,431.22 × 7,787,849.10
  4. Step 4: Simplify right side
    13,541,433x = 158,213,512,703,849.66
  5. Step 5: Solve for x
    x = 158,213,512,703,849.66/13,541,433
  6. Step 6: Final answer
    x = 11,683,661.01

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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.