Home / 15,025,136.70-20,734,485.17-8,409,723.19

Finding the Fourth Proportional to 15,025,136.70, 20,734,485.17 and 8,409,723.19

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Solution

The fourth proportional to 15,025,136.70, 20,734,485.17 and 8,409,723.19 is: 11,605,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025,136.70 : 20,734,485.17 = 8,409,723.19 : x
  2. Step 2: Convert to fraction form
    15,025,136.70/20,734,485.17 = 8,409,723.19/x
  3. Step 3: Cross multiply
    15,025,136.70x = 20,734,485.17 × 8,409,723.19
  4. Step 4: Simplify right side
    15,025,136.70x = 174,371,280,672,975.25
  5. Step 5: Solve for x
    x = 174,371,280,672,975.25/15,025,136.70
  6. Step 6: Final answer
    x = 11,605,304.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.