Home / 21,695,084.86-29,939,584.54-11,906,439.80

Finding the Fourth Proportional to 21,695,084.86, 29,939,584.54 and 11,906,439.80

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Solution

The fourth proportional to 21,695,084.86, 29,939,584.54 and 11,906,439.80 is: 16,431,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695,084.86 : 29,939,584.54 = 11,906,439.80 : x
  2. Step 2: Convert to fraction form
    21,695,084.86/29,939,584.54 = 11,906,439.80/x
  3. Step 3: Cross multiply
    21,695,084.86x = 29,939,584.54 × 11,906,439.80
  4. Step 4: Simplify right side
    21,695,084.86x = 356,473,860,962,520.69
  5. Step 5: Solve for x
    x = 356,473,860,962,520.69/21,695,084.86
  6. Step 6: Final answer
    x = 16,431,088.57

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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.