Home / 13,523,143.92-20,284,938.21-3,807,990.60

Finding the Fourth Proportional to 13,523,143.92, 20,284,938.21 and 3,807,990.60

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Solution

The fourth proportional to 13,523,143.92, 20,284,938.21 and 3,807,990.60 is: 5,712,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523,143.92 : 20,284,938.21 = 3,807,990.60 : x
  2. Step 2: Convert to fraction form
    13,523,143.92/20,284,938.21 = 3,807,990.60/x
  3. Step 3: Cross multiply
    13,523,143.92x = 20,284,938.21 × 3,807,990.60
  4. Step 4: Simplify right side
    13,523,143.92x = 77,244,854,025,260.83
  5. Step 5: Solve for x
    x = 77,244,854,025,260.83/13,523,143.92
  6. Step 6: Final answer
    x = 5,712,048.51

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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.