Home / 27,512,981.60-37,927,896.72-19,227,318.80

Finding the Fourth Proportional to 27,512,981.60, 37,927,896.72 and 19,227,318.80

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Solution

The fourth proportional to 27,512,981.60, 37,927,896.72 and 19,227,318.80 is: 26,505,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512,981.60 : 37,927,896.72 = 19,227,318.80 : x
  2. Step 2: Convert to fraction form
    27,512,981.60/37,927,896.72 = 19,227,318.80/x
  3. Step 3: Cross multiply
    27,512,981.60x = 37,927,896.72 × 19,227,318.80
  4. Step 4: Simplify right side
    27,512,981.60x = 729,251,761,648,914.38
  5. Step 5: Solve for x
    x = 729,251,761,648,914.38/27,512,981.60
  6. Step 6: Final answer
    x = 26,505,733.63

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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.