Home / 20,100,533.71-27,731,222.09-11,835,544.81

Finding the Fourth Proportional to 20,100,533.71, 27,731,222.09 and 11,835,544.81

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Solution

The fourth proportional to 20,100,533.71, 27,731,222.09 and 11,835,544.81 is: 16,328,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,533.71 : 27,731,222.09 = 11,835,544.81 : x
  2. Step 2: Convert to fraction form
    20,100,533.71/27,731,222.09 = 11,835,544.81/x
  3. Step 3: Cross multiply
    20,100,533.71x = 27,731,222.09 × 11,835,544.81
  4. Step 4: Simplify right side
    20,100,533.71x = 328,214,121,623,079.12
  5. Step 5: Solve for x
    x = 328,214,121,623,079.12/20,100,533.71
  6. Step 6: Final answer
    x = 16,328,627.21

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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.