Home / 20,710,566.69-28,580,613.53-11,543,012.61

Finding the Fourth Proportional to 20,710,566.69, 28,580,613.53 and 11,543,012.61

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Solution

The fourth proportional to 20,710,566.69, 28,580,613.53 and 11,543,012.61 is: 15,929,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,566.69 : 28,580,613.53 = 11,543,012.61 : x
  2. Step 2: Convert to fraction form
    20,710,566.69/28,580,613.53 = 11,543,012.61/x
  3. Step 3: Cross multiply
    20,710,566.69x = 28,580,613.53 × 11,543,012.61
  4. Step 4: Simplify right side
    20,710,566.69x = 329,906,382,320,611.50
  5. Step 5: Solve for x
    x = 329,906,382,320,611.50/20,710,566.69
  6. Step 6: Final answer
    x = 15,929,374.95

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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.