Home / 37,902,869-52,305,958.40-20,499,214.06

Finding the Fourth Proportional to 37,902,869, 52,305,958.40 and 20,499,214.06

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Solution

The fourth proportional to 37,902,869, 52,305,958.40 and 20,499,214.06 is: 28,288,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,902,869 : 52,305,958.40 = 20,499,214.06 : x
  2. Step 2: Convert to fraction form
    37,902,869/52,305,958.40 = 20,499,214.06/x
  3. Step 3: Cross multiply
    37,902,869x = 52,305,958.40 × 20,499,214.06
  4. Step 4: Simplify right side
    37,902,869x = 1,072,231,037,855,055
  5. Step 5: Solve for x
    x = 1,072,231,037,855,055/37,902,869
  6. Step 6: Final answer
    x = 28,288,914.96

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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.