Home / 20,627,881.13-28,467,361.71-11,460,523.88

Finding the Fourth Proportional to 20,627,881.13, 28,467,361.71 and 11,460,523.88

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Solution

The fourth proportional to 20,627,881.13, 28,467,361.71 and 11,460,523.88 is: 15,816,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,881.13 : 28,467,361.71 = 11,460,523.88 : x
  2. Step 2: Convert to fraction form
    20,627,881.13/28,467,361.71 = 11,460,523.88/x
  3. Step 3: Cross multiply
    20,627,881.13x = 28,467,361.71 × 11,460,523.88
  4. Step 4: Simplify right side
    20,627,881.13x = 326,250,878,535,715.81
  5. Step 5: Solve for x
    x = 326,250,878,535,715.81/20,627,881.13
  6. Step 6: Final answer
    x = 15,816,015.06

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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.