Home / 20,389,583.10-30,572,160.24-13,832,344.74

Finding the Fourth Proportional to 20,389,583.10, 30,572,160.24 and 13,832,344.74

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Solution

The fourth proportional to 20,389,583.10, 30,572,160.24 and 13,832,344.74 is: 20,740,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389,583.10 : 30,572,160.24 = 13,832,344.74 : x
  2. Step 2: Convert to fraction form
    20,389,583.10/30,572,160.24 = 13,832,344.74/x
  3. Step 3: Cross multiply
    20,389,583.10x = 30,572,160.24 × 13,832,344.74
  4. Step 4: Simplify right side
    20,389,583.10x = 422,884,659,886,201.12
  5. Step 5: Solve for x
    x = 422,884,659,886,201.12/20,389,583.10
  6. Step 6: Final answer
    x = 20,740,230.82

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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.