Home / 27,887,660.10-41,831,490.15-19,278,315.90

Finding the Fourth Proportional to 27,887,660.10, 41,831,490.15 and 19,278,315.90

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Solution

The fourth proportional to 27,887,660.10, 41,831,490.15 and 19,278,315.90 is: 28,917,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,660.10 : 41,831,490.15 = 19,278,315.90 : x
  2. Step 2: Convert to fraction form
    27,887,660.10/41,831,490.15 = 19,278,315.90/x
  3. Step 3: Cross multiply
    27,887,660.10x = 41,831,490.15 × 19,278,315.90
  4. Step 4: Simplify right side
    27,887,660.10x = 806,440,681,679,438.25
  5. Step 5: Solve for x
    x = 806,440,681,679,438.25/27,887,660.10
  6. Step 6: Final answer
    x = 28,917,473.85

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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.