Home / 18,887,981.70-28,331,972.55-17,376,327.30

Finding the Fourth Proportional to 18,887,981.70, 28,331,972.55 and 17,376,327.30

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Solution

The fourth proportional to 18,887,981.70, 28,331,972.55 and 17,376,327.30 is: 26,064,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,981.70 : 28,331,972.55 = 17,376,327.30 : x
  2. Step 2: Convert to fraction form
    18,887,981.70/28,331,972.55 = 17,376,327.30/x
  3. Step 3: Cross multiply
    18,887,981.70x = 28,331,972.55 × 17,376,327.30
  4. Step 4: Simplify right side
    18,887,981.70x = 492,305,628,083,415.62
  5. Step 5: Solve for x
    x = 492,305,628,083,415.62/18,887,981.70
  6. Step 6: Final answer
    x = 26,064,490.95

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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.