Home / 38,135,286.37-52,624,460.43-20,731,479.35

Finding the Fourth Proportional to 38,135,286.37, 52,624,460.43 and 20,731,479.35

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Solution

The fourth proportional to 38,135,286.37, 52,624,460.43 and 20,731,479.35 is: 28,608,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135,286.37 : 52,624,460.43 = 20,731,479.35 : x
  2. Step 2: Convert to fraction form
    38,135,286.37/52,624,460.43 = 20,731,479.35/x
  3. Step 3: Cross multiply
    38,135,286.37x = 52,624,460.43 × 20,731,479.35
  4. Step 4: Simplify right side
    38,135,286.37x = 1,090,982,914,772,532.50
  5. Step 5: Solve for x
    x = 1,090,982,914,772,532.50/38,135,286.37
  6. Step 6: Final answer
    x = 28,608,226.62

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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.