Home / 10,865,105.20-14,992,967.52-6,281,722

Finding the Fourth Proportional to 10,865,105.20, 14,992,967.52 and 6,281,722

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Solution

The fourth proportional to 10,865,105.20, 14,992,967.52 and 6,281,722 is: 8,668,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,105.20 : 14,992,967.52 = 6,281,722 : x
  2. Step 2: Convert to fraction form
    10,865,105.20/14,992,967.52 = 6,281,722/x
  3. Step 3: Cross multiply
    10,865,105.20x = 14,992,967.52 × 6,281,722
  4. Step 4: Simplify right side
    10,865,105.20x = 94,181,653,915,669.44
  5. Step 5: Solve for x
    x = 94,181,653,915,669.44/10,865,105.20
  6. Step 6: Final answer
    x = 8,668,268.94

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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.