Home / 20,734,952.92-31,060,791.57-10,328,829.64

Finding the Fourth Proportional to 20,734,952.92, 31,060,791.57 and 10,328,829.64

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Solution

The fourth proportional to 20,734,952.92, 31,060,791.57 and 10,328,829.64 is: 15,472,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,952.92 : 31,060,791.57 = 10,328,829.64 : x
  2. Step 2: Convert to fraction form
    20,734,952.92/31,060,791.57 = 10,328,829.64/x
  3. Step 3: Cross multiply
    20,734,952.92x = 31,060,791.57 × 10,328,829.64
  4. Step 4: Simplify right side
    20,734,952.92x = 320,821,624,610,078.19
  5. Step 5: Solve for x
    x = 320,821,624,610,078.19/20,734,952.92
  6. Step 6: Final answer
    x = 15,472,503.16

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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.