Home / 21,562,857.32-32,344,789.03-7,187,093.96

Finding the Fourth Proportional to 21,562,857.32, 32,344,789.03 and 7,187,093.96

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Solution

The fourth proportional to 21,562,857.32, 32,344,789.03 and 7,187,093.96 is: 10,780,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562,857.32 : 32,344,789.03 = 7,187,093.96 : x
  2. Step 2: Convert to fraction form
    21,562,857.32/32,344,789.03 = 7,187,093.96/x
  3. Step 3: Cross multiply
    21,562,857.32x = 32,344,789.03 × 7,187,093.96
  4. Step 4: Simplify right side
    21,562,857.32x = 232,465,037,937,881.50
  5. Step 5: Solve for x
    x = 232,465,037,937,881.50/21,562,857.32
  6. Step 6: Final answer
    x = 10,780,808.61

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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.