Home / 21,324,727.35-31,980,989.28-6,949,051.47

Finding the Fourth Proportional to 21,324,727.35, 31,980,989.28 and 6,949,051.47

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Solution

The fourth proportional to 21,324,727.35, 31,980,989.28 and 6,949,051.47 is: 10,421,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,727.35 : 31,980,989.28 = 6,949,051.47 : x
  2. Step 2: Convert to fraction form
    21,324,727.35/31,980,989.28 = 6,949,051.47/x
  3. Step 3: Cross multiply
    21,324,727.35x = 31,980,989.28 × 6,949,051.47
  4. Step 4: Simplify right side
    21,324,727.35x = 222,237,540,568,238.25
  5. Step 5: Solve for x
    x = 222,237,540,568,238.25/21,324,727.35
  6. Step 6: Final answer
    x = 10,421,588.84

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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.