Home / 20,395,083.20-30,622,776.23-13,613,905.76

Finding the Fourth Proportional to 20,395,083.20, 30,622,776.23 and 13,613,905.76

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Solution

The fourth proportional to 20,395,083.20, 30,622,776.23 and 13,613,905.76 is: 20,440,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395,083.20 : 30,622,776.23 = 13,613,905.76 : x
  2. Step 2: Convert to fraction form
    20,395,083.20/30,622,776.23 = 13,613,905.76/x
  3. Step 3: Cross multiply
    20,395,083.20x = 30,622,776.23 × 13,613,905.76
  4. Step 4: Simplify right side
    20,395,083.20x = 416,895,589,585,709
  5. Step 5: Solve for x
    x = 416,895,589,585,709/20,395,083.20
  6. Step 6: Final answer
    x = 20,440,985.00

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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.