Home / 28,642,481.86-39,529,990.71-16,085,600.13

Finding the Fourth Proportional to 28,642,481.86, 39,529,990.71 and 16,085,600.13

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Solution

The fourth proportional to 28,642,481.86, 39,529,990.71 and 16,085,600.13 is: 22,200,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642,481.86 : 39,529,990.71 = 16,085,600.13 : x
  2. Step 2: Convert to fraction form
    28,642,481.86/39,529,990.71 = 16,085,600.13/x
  3. Step 3: Cross multiply
    28,642,481.86x = 39,529,990.71 × 16,085,600.13
  4. Step 4: Simplify right side
    28,642,481.86x = 635,863,623,703,674.88
  5. Step 5: Solve for x
    x = 635,863,623,703,674.88/28,642,481.86
  6. Step 6: Final answer
    x = 22,200,018.38

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Double scale
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1.5x scale

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.