Home / 20,461,197.38-28,236,455.01-11,293,842.56

Finding the Fourth Proportional to 20,461,197.38, 28,236,455.01 and 11,293,842.56

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Solution

The fourth proportional to 20,461,197.38, 28,236,455.01 and 11,293,842.56 is: 15,585,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461,197.38 : 28,236,455.01 = 11,293,842.56 : x
  2. Step 2: Convert to fraction form
    20,461,197.38/28,236,455.01 = 11,293,842.56/x
  3. Step 3: Cross multiply
    20,461,197.38x = 28,236,455.01 × 11,293,842.56
  4. Step 4: Simplify right side
    20,461,197.38x = 318,898,077,194,280.94
  5. Step 5: Solve for x
    x = 318,898,077,194,280.94/20,461,197.38
  6. Step 6: Final answer
    x = 15,585,504.18

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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.