Home / 20,377,894.98-28,161,843.25-16,701,012.16

Finding the Fourth Proportional to 20,377,894.98, 28,161,843.25 and 16,701,012.16

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Solution

The fourth proportional to 20,377,894.98, 28,161,843.25 and 16,701,012.16 is: 23,080,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377,894.98 : 28,161,843.25 = 16,701,012.16 : x
  2. Step 2: Convert to fraction form
    20,377,894.98/28,161,843.25 = 16,701,012.16/x
  3. Step 3: Cross multiply
    20,377,894.98x = 28,161,843.25 × 16,701,012.16
  4. Step 4: Simplify right side
    20,377,894.98x = 470,331,286,566,263.94
  5. Step 5: Solve for x
    x = 470,331,286,566,263.94/20,377,894.98
  6. Step 6: Final answer
    x = 23,080,464.74

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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.