Home / 18,448,376.70-27,672,565.05-9,945,320.70

Finding the Fourth Proportional to 18,448,376.70, 27,672,565.05 and 9,945,320.70

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Solution

The fourth proportional to 18,448,376.70, 27,672,565.05 and 9,945,320.70 is: 14,917,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448,376.70 : 27,672,565.05 = 9,945,320.70 : x
  2. Step 2: Convert to fraction form
    18,448,376.70/27,672,565.05 = 9,945,320.70/x
  3. Step 3: Cross multiply
    18,448,376.70x = 27,672,565.05 × 9,945,320.70
  4. Step 4: Simplify right side
    18,448,376.70x = 275,212,534,013,861.53
  5. Step 5: Solve for x
    x = 275,212,534,013,861.53/18,448,376.70
  6. Step 6: Final answer
    x = 14,917,981.05

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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.