Home / 13,683,984.75-20,509,596.09-6,387,627.87

Finding the Fourth Proportional to 13,683,984.75, 20,509,596.09 and 6,387,627.87

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Solution

The fourth proportional to 13,683,984.75, 20,509,596.09 and 6,387,627.87 is: 9,573,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683,984.75 : 20,509,596.09 = 6,387,627.87 : x
  2. Step 2: Convert to fraction form
    13,683,984.75/20,509,596.09 = 6,387,627.87/x
  3. Step 3: Cross multiply
    13,683,984.75x = 20,509,596.09 × 6,387,627.87
  4. Step 4: Simplify right side
    13,683,984.75x = 131,007,667,586,927.03
  5. Step 5: Solve for x
    x = 131,007,667,586,927.03/13,683,984.75
  6. Step 6: Final answer
    x = 9,573,795.21

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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.