Home / 21,782,667.12-32,677,549.90-6,431,508.58

Finding the Fourth Proportional to 21,782,667.12, 32,677,549.90 and 6,431,508.58

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Solution

The fourth proportional to 21,782,667.12, 32,677,549.90 and 6,431,508.58 is: 9,648,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782,667.12 : 32,677,549.90 = 6,431,508.58 : x
  2. Step 2: Convert to fraction form
    21,782,667.12/32,677,549.90 = 6,431,508.58/x
  3. Step 3: Cross multiply
    21,782,667.12x = 32,677,549.90 × 6,431,508.58
  4. Step 4: Simplify right side
    21,782,667.12x = 210,165,942,555,228.12
  5. Step 5: Solve for x
    x = 210,165,942,555,228.12/21,782,667.12
  6. Step 6: Final answer
    x = 9,648,310.81

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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.