Home / 28,978,209.60-43,467,314.40-20,947,545.60

Finding the Fourth Proportional to 28,978,209.60, 43,467,314.40 and 20,947,545.60

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Solution

The fourth proportional to 28,978,209.60, 43,467,314.40 and 20,947,545.60 is: 31,421,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,209.60 : 43,467,314.40 = 20,947,545.60 : x
  2. Step 2: Convert to fraction form
    28,978,209.60/43,467,314.40 = 20,947,545.60/x
  3. Step 3: Cross multiply
    28,978,209.60x = 43,467,314.40 × 20,947,545.60
  4. Step 4: Simplify right side
    28,978,209.60x = 910,533,550,503,536.62
  5. Step 5: Solve for x
    x = 910,533,550,503,536.62/28,978,209.60
  6. Step 6: Final answer
    x = 31,421,318.40

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Why These Related Problems?

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