Home / 20,704,481.69-28,572,298.24-12,007,810.58

Finding the Fourth Proportional to 20,704,481.69, 28,572,298.24 and 12,007,810.58

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Solution

The fourth proportional to 20,704,481.69, 28,572,298.24 and 12,007,810.58 is: 16,570,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,481.69 : 28,572,298.24 = 12,007,810.58 : x
  2. Step 2: Convert to fraction form
    20,704,481.69/28,572,298.24 = 12,007,810.58/x
  3. Step 3: Cross multiply
    20,704,481.69x = 28,572,298.24 × 12,007,810.58
  4. Step 4: Simplify right side
    20,704,481.69x = 343,090,745,101,187.38
  5. Step 5: Solve for x
    x = 343,090,745,101,187.38/20,704,481.69
  6. Step 6: Final answer
    x = 16,570,844.43

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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.