Home / 16,310,978.05-22,509,231-8,969,284.66

Finding the Fourth Proportional to 16,310,978.05, 22,509,231 and 8,969,284.66

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Solution

The fourth proportional to 16,310,978.05, 22,509,231 and 8,969,284.66 is: 12,377,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310,978.05 : 22,509,231 = 8,969,284.66 : x
  2. Step 2: Convert to fraction form
    16,310,978.05/22,509,231 = 8,969,284.66/x
  3. Step 3: Cross multiply
    16,310,978.05x = 22,509,231 × 8,969,284.66
  4. Step 4: Simplify right side
    16,310,978.05x = 201,891,700,316,696.47
  5. Step 5: Solve for x
    x = 201,891,700,316,696.47/16,310,978.05
  6. Step 6: Final answer
    x = 12,377,657.53

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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.