Home / 21,902,568.98-30,222,187.34-12,608,342.48

Finding the Fourth Proportional to 21,902,568.98, 30,222,187.34 and 12,608,342.48

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Solution

The fourth proportional to 21,902,568.98, 30,222,187.34 and 12,608,342.48 is: 17,397,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,568.98 : 30,222,187.34 = 12,608,342.48 : x
  2. Step 2: Convert to fraction form
    21,902,568.98/30,222,187.34 = 12,608,342.48/x
  3. Step 3: Cross multiply
    21,902,568.98x = 30,222,187.34 × 12,608,342.48
  4. Step 4: Simplify right side
    21,902,568.98x = 381,051,688,489,953.94
  5. Step 5: Solve for x
    x = 381,051,688,489,953.94/21,902,568.98
  6. Step 6: Final answer
    x = 17,397,579.66

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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.