Home / 19,432,990.38-29,129,977.53-6,644,749.26

Finding the Fourth Proportional to 19,432,990.38, 29,129,977.53 and 6,644,749.26

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Solution

The fourth proportional to 19,432,990.38, 29,129,977.53 and 6,644,749.26 is: 9,960,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,990.38 : 29,129,977.53 = 6,644,749.26 : x
  2. Step 2: Convert to fraction form
    19,432,990.38/29,129,977.53 = 6,644,749.26/x
  3. Step 3: Cross multiply
    19,432,990.38x = 29,129,977.53 × 6,644,749.26
  4. Step 4: Simplify right side
    19,432,990.38x = 193,561,396,636,284.12
  5. Step 5: Solve for x
    x = 193,561,396,636,284.12/19,432,990.38
  6. Step 6: Final answer
    x = 9,960,453.48

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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.