Home / 18,740,796.93-28,108,354.86-6,446,631.11

Finding the Fourth Proportional to 18,740,796.93, 28,108,354.86 and 6,446,631.11

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Solution

The fourth proportional to 18,740,796.93, 28,108,354.86 and 6,446,631.11 is: 9,668,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740,796.93 : 28,108,354.86 = 6,446,631.11 : x
  2. Step 2: Convert to fraction form
    18,740,796.93/28,108,354.86 = 6,446,631.11/x
  3. Step 3: Cross multiply
    18,740,796.93x = 28,108,354.86 × 6,446,631.11
  4. Step 4: Simplify right side
    18,740,796.93x = 181,204,194,750,853.94
  5. Step 5: Solve for x
    x = 181,204,194,750,853.94/18,740,796.93
  6. Step 6: Final answer
    x = 9,668,969.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.