Home / 18,596,270.20-25,638,199.08-15,276,092.44

Finding the Fourth Proportional to 18,596,270.20, 25,638,199.08 and 15,276,092.44

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Solution

The fourth proportional to 18,596,270.20, 25,638,199.08 and 15,276,092.44 is: 21,060,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596,270.20 : 25,638,199.08 = 15,276,092.44 : x
  2. Step 2: Convert to fraction form
    18,596,270.20/25,638,199.08 = 15,276,092.44/x
  3. Step 3: Cross multiply
    18,596,270.20x = 25,638,199.08 × 15,276,092.44
  4. Step 4: Simplify right side
    18,596,270.20x = 391,651,499,141,202.94
  5. Step 5: Solve for x
    x = 391,651,499,141,202.94/18,596,270.20
  6. Step 6: Final answer
    x = 21,060,755.46

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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.