Home / 7,781,486.16-11,676,339-5,521,613.52

Finding the Fourth Proportional to 7,781,486.16, 11,676,339 and 5,521,613.52

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Solution

The fourth proportional to 7,781,486.16, 11,676,339 and 5,521,613.52 is: 8,285,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,486.16 : 11,676,339 = 5,521,613.52 : x
  2. Step 2: Convert to fraction form
    7,781,486.16/11,676,339 = 5,521,613.52/x
  3. Step 3: Cross multiply
    7,781,486.16x = 11,676,339 × 5,521,613.52
  4. Step 4: Simplify right side
    7,781,486.16x = 64,472,231,286,503.27
  5. Step 5: Solve for x
    x = 64,472,231,286,503.27/7,781,486.16
  6. Step 6: Final answer
    x = 8,285,336.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.