Home / 21,818,229.54-30,108,248.21-11,894,896.86

Finding the Fourth Proportional to 21,818,229.54, 30,108,248.21 and 11,894,896.86

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Solution

The fourth proportional to 21,818,229.54, 30,108,248.21 and 11,894,896.86 is: 16,414,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818,229.54 : 30,108,248.21 = 11,894,896.86 : x
  2. Step 2: Convert to fraction form
    21,818,229.54/30,108,248.21 = 11,894,896.86/x
  3. Step 3: Cross multiply
    21,818,229.54x = 30,108,248.21 × 11,894,896.86
  4. Step 4: Simplify right side
    21,818,229.54x = 358,134,507,033,755.12
  5. Step 5: Solve for x
    x = 358,134,507,033,755.12/21,818,229.54
  6. Step 6: Final answer
    x = 16,414,462.34

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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.