Home / 28,276,170.73-42,414,256.09-21,101,717.23

Finding the Fourth Proportional to 28,276,170.73, 42,414,256.09 and 21,101,717.23

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Solution

The fourth proportional to 28,276,170.73, 42,414,256.09 and 21,101,717.23 is: 31,652,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276,170.73 : 42,414,256.09 = 21,101,717.23 : x
  2. Step 2: Convert to fraction form
    28,276,170.73/42,414,256.09 = 21,101,717.23/x
  3. Step 3: Cross multiply
    28,276,170.73x = 42,414,256.09 × 21,101,717.23
  4. Step 4: Simplify right side
    28,276,170.73x = 895,013,638,319,914.25
  5. Step 5: Solve for x
    x = 895,013,638,319,914.25/28,276,170.73
  6. Step 6: Final answer
    x = 31,652,575.84

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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.