Home / 21,543,098.09-29,729,433.24-11,753,548.91

Finding the Fourth Proportional to 21,543,098.09, 29,729,433.24 and 11,753,548.91

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Solution

The fourth proportional to 21,543,098.09, 29,729,433.24 and 11,753,548.91 is: 16,219,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543,098.09 : 29,729,433.24 = 11,753,548.91 : x
  2. Step 2: Convert to fraction form
    21,543,098.09/29,729,433.24 = 11,753,548.91/x
  3. Step 3: Cross multiply
    21,543,098.09x = 29,729,433.24 × 11,753,548.91
  4. Step 4: Simplify right side
    21,543,098.09x = 349,426,347,615,757.94
  5. Step 5: Solve for x
    x = 349,426,347,615,757.94/21,543,098.09
  6. Step 6: Final answer
    x = 16,219,874.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.