Home / 31,978,129.12-44,132,360.16-20,380,899.04

Finding the Fourth Proportional to 31,978,129.12, 44,132,360.16 and 20,380,899.04

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Solution

The fourth proportional to 31,978,129.12, 44,132,360.16 and 20,380,899.04 is: 28,127,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,978,129.12 : 44,132,360.16 = 20,380,899.04 : x
  2. Step 2: Convert to fraction form
    31,978,129.12/44,132,360.16 = 20,380,899.04/x
  3. Step 3: Cross multiply
    31,978,129.12x = 44,132,360.16 × 20,380,899.04
  4. Step 4: Simplify right side
    31,978,129.12x = 899,457,176,817,878.12
  5. Step 5: Solve for x
    x = 899,457,176,817,878.12/31,978,129.12
  6. Step 6: Final answer
    x = 28,127,260.77

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