Home / 21,766,221.72-32,622,426-10,986,596.46

Finding the Fourth Proportional to 21,766,221.72, 32,622,426 and 10,986,596.46

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Solution

The fourth proportional to 21,766,221.72, 32,622,426 and 10,986,596.46 is: 16,466,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766,221.72 : 32,622,426 = 10,986,596.46 : x
  2. Step 2: Convert to fraction form
    21,766,221.72/32,622,426 = 10,986,596.46/x
  3. Step 3: Cross multiply
    21,766,221.72x = 32,622,426 × 10,986,596.46
  4. Step 4: Simplify right side
    21,766,221.72x = 358,409,430,008,212
  5. Step 5: Solve for x
    x = 358,409,430,008,212/21,766,221.72
  6. Step 6: Final answer
    x = 16,466,313.48

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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.