Home / 13,494,701.39-18,623,152.87-7,383,129.89

Finding the Fourth Proportional to 13,494,701.39, 18,623,152.87 and 7,383,129.89

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Solution

The fourth proportional to 13,494,701.39, 18,623,152.87 and 7,383,129.89 is: 10,188,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,701.39 : 18,623,152.87 = 7,383,129.89 : x
  2. Step 2: Convert to fraction form
    13,494,701.39/18,623,152.87 = 7,383,129.89/x
  3. Step 3: Cross multiply
    13,494,701.39x = 18,623,152.87 × 7,383,129.89
  4. Step 4: Simplify right side
    13,494,701.39x = 137,497,156,488,962.69
  5. Step 5: Solve for x
    x = 137,497,156,488,962.69/13,494,701.39
  6. Step 6: Final answer
    x = 10,188,973.62

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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.