Home / 6,864,072.72-9,472,421.52-3,808,279.68

Finding the Fourth Proportional to 6,864,072.72, 9,472,421.52 and 3,808,279.68

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Solution

The fourth proportional to 6,864,072.72, 9,472,421.52 and 3,808,279.68 is: 5,255,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864,072.72 : 9,472,421.52 = 3,808,279.68 : x
  2. Step 2: Convert to fraction form
    6,864,072.72/9,472,421.52 = 3,808,279.68/x
  3. Step 3: Cross multiply
    6,864,072.72x = 9,472,421.52 × 3,808,279.68
  4. Step 4: Simplify right side
    6,864,072.72x = 36,073,630,395,010.71
  5. Step 5: Solve for x
    x = 36,073,630,395,010.71/6,864,072.72
  6. Step 6: Final answer
    x = 5,255,426.61

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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.