Home / 36,691,979.80-55,037,969.70-15,115,475.20

Finding the Fourth Proportional to 36,691,979.80, 55,037,969.70 and 15,115,475.20

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Solution

The fourth proportional to 36,691,979.80, 55,037,969.70 and 15,115,475.20 is: 22,673,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691,979.80 : 55,037,969.70 = 15,115,475.20 : x
  2. Step 2: Convert to fraction form
    36,691,979.80/55,037,969.70 = 15,115,475.20/x
  3. Step 3: Cross multiply
    36,691,979.80x = 55,037,969.70 × 15,115,475.20
  4. Step 4: Simplify right side
    36,691,979.80x = 831,925,066,058,701.50
  5. Step 5: Solve for x
    x = 831,925,066,058,701.50/36,691,979.80
  6. Step 6: Final answer
    x = 22,673,212.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.