Home / 20,711,162.54-31,066,899.48-9,193,533.41

Finding the Fourth Proportional to 20,711,162.54, 31,066,899.48 and 9,193,533.41

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Solution

The fourth proportional to 20,711,162.54, 31,066,899.48 and 9,193,533.41 is: 13,790,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,162.54 : 31,066,899.48 = 9,193,533.41 : x
  2. Step 2: Convert to fraction form
    20,711,162.54/31,066,899.48 = 9,193,533.41/x
  3. Step 3: Cross multiply
    20,711,162.54x = 31,066,899.48 × 9,193,533.41
  4. Step 4: Simplify right side
    20,711,162.54x = 285,614,578,392,158.88
  5. Step 5: Solve for x
    x = 285,614,578,392,158.88/20,711,162.54
  6. Step 6: Final answer
    x = 13,790,369.22

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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.