Home / 20,433,537.82-28,175,373.54-16,700,785.28

Finding the Fourth Proportional to 20,433,537.82, 28,175,373.54 and 16,700,785.28

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Solution

The fourth proportional to 20,433,537.82, 28,175,373.54 and 16,700,785.28 is: 23,028,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,537.82 : 28,175,373.54 = 16,700,785.28 : x
  2. Step 2: Convert to fraction form
    20,433,537.82/28,175,373.54 = 16,700,785.28/x
  3. Step 3: Cross multiply
    20,433,537.82x = 28,175,373.54 × 16,700,785.28
  4. Step 4: Simplify right side
    20,433,537.82x = 470,550,863,675,333.44
  5. Step 5: Solve for x
    x = 470,550,863,675,333.44/20,433,537.82
  6. Step 6: Final answer
    x = 23,028,359.94

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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.