Home / 13,321,636.42-18,384,304.04-8,164,001.92

Finding the Fourth Proportional to 13,321,636.42, 18,384,304.04 and 8,164,001.92

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Solution

The fourth proportional to 13,321,636.42, 18,384,304.04 and 8,164,001.92 is: 11,266,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,636.42 : 18,384,304.04 = 8,164,001.92 : x
  2. Step 2: Convert to fraction form
    13,321,636.42/18,384,304.04 = 8,164,001.92/x
  3. Step 3: Cross multiply
    13,321,636.42x = 18,384,304.04 × 8,164,001.92
  4. Step 4: Simplify right side
    13,321,636.42x = 150,089,493,480,423.75
  5. Step 5: Solve for x
    x = 150,089,493,480,423.75/13,321,636.42
  6. Step 6: Final answer
    x = 11,266,595.84

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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.