Home / 20,065,630.92-27,702,043.38-13,210,042.02

Finding the Fourth Proportional to 20,065,630.92, 27,702,043.38 and 13,210,042.02

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Solution

The fourth proportional to 20,065,630.92, 27,702,043.38 and 13,210,042.02 is: 18,237,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,630.92 : 27,702,043.38 = 13,210,042.02 : x
  2. Step 2: Convert to fraction form
    20,065,630.92/27,702,043.38 = 13,210,042.02/x
  3. Step 3: Cross multiply
    20,065,630.92x = 27,702,043.38 × 13,210,042.02
  4. Step 4: Simplify right side
    20,065,630.92x = 365,945,157,089,662.81
  5. Step 5: Solve for x
    x = 365,945,157,089,662.81/20,065,630.92
  6. Step 6: Final answer
    x = 18,237,410.95

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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.