Home / 20,980,949.58-31,463,452.71-10,039,908.60

Finding the Fourth Proportional to 20,980,949.58, 31,463,452.71 and 10,039,908.60

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Solution

The fourth proportional to 20,980,949.58, 31,463,452.71 and 10,039,908.60 is: 15,056,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,980,949.58 : 31,463,452.71 = 10,039,908.60 : x
  2. Step 2: Convert to fraction form
    20,980,949.58/31,463,452.71 = 10,039,908.60/x
  3. Step 3: Cross multiply
    20,980,949.58x = 31,463,452.71 × 10,039,908.60
  4. Step 4: Simplify right side
    20,980,949.58x = 315,890,189,448,822.31
  5. Step 5: Solve for x
    x = 315,890,189,448,822.31/20,980,949.58
  6. Step 6: Final answer
    x = 15,056,048.26

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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.