Home / 13,649,728.62-18,827,975.28-10,379,373.60

Finding the Fourth Proportional to 13,649,728.62, 18,827,975.28 and 10,379,373.60

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Solution

The fourth proportional to 13,649,728.62, 18,827,975.28 and 10,379,373.60 is: 14,316,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649,728.62 : 18,827,975.28 = 10,379,373.60 : x
  2. Step 2: Convert to fraction form
    13,649,728.62/18,827,975.28 = 10,379,373.60/x
  3. Step 3: Cross multiply
    13,649,728.62x = 18,827,975.28 × 10,379,373.60
  4. Step 4: Simplify right side
    13,649,728.62x = 195,422,589,562,684.62
  5. Step 5: Solve for x
    x = 195,422,589,562,684.62/13,649,728.62
  6. Step 6: Final answer
    x = 14,316,957.87

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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.