Home / 28,084,270.52-38,755,543.90-15,694,460.56

Finding the Fourth Proportional to 28,084,270.52, 38,755,543.90 and 15,694,460.56

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Solution

The fourth proportional to 28,084,270.52, 38,755,543.90 and 15,694,460.56 is: 21,657,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,270.52 : 38,755,543.90 = 15,694,460.56 : x
  2. Step 2: Convert to fraction form
    28,084,270.52/38,755,543.90 = 15,694,460.56/x
  3. Step 3: Cross multiply
    28,084,270.52x = 38,755,543.90 × 15,694,460.56
  4. Step 4: Simplify right side
    28,084,270.52x = 608,247,355,219,898.62
  5. Step 5: Solve for x
    x = 608,247,355,219,898.62/28,084,270.52
  6. Step 6: Final answer
    x = 21,657,936.77

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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.