Home / 12,313,148.34-16,988,002.08-7,967,732.42

Finding the Fourth Proportional to 12,313,148.34, 16,988,002.08 and 7,967,732.42

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Solution

The fourth proportional to 12,313,148.34, 16,988,002.08 and 7,967,732.42 is: 10,992,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,148.34 : 16,988,002.08 = 7,967,732.42 : x
  2. Step 2: Convert to fraction form
    12,313,148.34/16,988,002.08 = 7,967,732.42/x
  3. Step 3: Cross multiply
    12,313,148.34x = 16,988,002.08 × 7,967,732.42
  4. Step 4: Simplify right side
    12,313,148.34x = 135,355,854,923,843.42
  5. Step 5: Solve for x
    x = 135,355,854,923,843.42/12,313,148.34
  6. Step 6: Final answer
    x = 10,992,790.08

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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.