Home / 19,201,408.82-28,797,319.29-7,532,152.12

Finding the Fourth Proportional to 19,201,408.82, 28,797,319.29 and 7,532,152.12

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Solution

The fourth proportional to 19,201,408.82, 28,797,319.29 and 7,532,152.12 is: 11,296,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,408.82 : 28,797,319.29 = 7,532,152.12 : x
  2. Step 2: Convert to fraction form
    19,201,408.82/28,797,319.29 = 7,532,152.12/x
  3. Step 3: Cross multiply
    19,201,408.82x = 28,797,319.29 × 7,532,152.12
  4. Step 4: Simplify right side
    19,201,408.82x = 216,905,789,468,497.09
  5. Step 5: Solve for x
    x = 216,905,789,468,497.09/19,201,408.82
  6. Step 6: Final answer
    x = 11,296,347.66

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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.