Home / 20,036,822.03-27,650,867.63-10,869,464.78

Finding the Fourth Proportional to 20,036,822.03, 27,650,867.63 and 10,869,464.78

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Solution

The fourth proportional to 20,036,822.03, 27,650,867.63 and 10,869,464.78 is: 14,999,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,822.03 : 27,650,867.63 = 10,869,464.78 : x
  2. Step 2: Convert to fraction form
    20,036,822.03/27,650,867.63 = 10,869,464.78/x
  3. Step 3: Cross multiply
    20,036,822.03x = 27,650,867.63 × 10,869,464.78
  4. Step 4: Simplify right side
    20,036,822.03x = 300,550,131,840,727.06
  5. Step 5: Solve for x
    x = 300,550,131,840,727.06/20,036,822.03
  6. Step 6: Final answer
    x = 14,999,890.27

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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.