Home / 27,128,834-37,428,531.60-16,811,792.72

Finding the Fourth Proportional to 27,128,834, 37,428,531.60 and 16,811,792.72

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Solution

The fourth proportional to 27,128,834, 37,428,531.60 and 16,811,792.72 is: 23,194,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128,834 : 37,428,531.60 = 16,811,792.72 : x
  2. Step 2: Convert to fraction form
    27,128,834/37,428,531.60 = 16,811,792.72/x
  3. Step 3: Cross multiply
    27,128,834x = 37,428,531.60 × 16,811,792.72
  4. Step 4: Simplify right side
    27,128,834x = 629,240,715,073,169.88
  5. Step 5: Solve for x
    x = 629,240,715,073,169.88/27,128,834
  6. Step 6: Final answer
    x = 23,194,535.93

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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.