Home / 28,545,717.06-39,393,128.25-15,492,976.38

Finding the Fourth Proportional to 28,545,717.06, 39,393,128.25 and 15,492,976.38

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Solution

The fourth proportional to 28,545,717.06, 39,393,128.25 and 15,492,976.38 is: 21,380,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,717.06 : 39,393,128.25 = 15,492,976.38 : x
  2. Step 2: Convert to fraction form
    28,545,717.06/39,393,128.25 = 15,492,976.38/x
  3. Step 3: Cross multiply
    28,545,717.06x = 39,393,128.25 × 15,492,976.38
  4. Step 4: Simplify right side
    28,545,717.06x = 610,316,805,511,560.75
  5. Step 5: Solve for x
    x = 610,316,805,511,560.75/28,545,717.06
  6. Step 6: Final answer
    x = 21,380,328.41

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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.