Home / 28,792,403.28-43,188,686.87-8,323,789.14

Finding the Fourth Proportional to 28,792,403.28, 43,188,686.87 and 8,323,789.14

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Solution

The fourth proportional to 28,792,403.28, 43,188,686.87 and 8,323,789.14 is: 12,485,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792,403.28 : 43,188,686.87 = 8,323,789.14 : x
  2. Step 2: Convert to fraction form
    28,792,403.28/43,188,686.87 = 8,323,789.14/x
  3. Step 3: Cross multiply
    28,792,403.28x = 43,188,686.87 × 8,323,789.14
  4. Step 4: Simplify right side
    28,792,403.28x = 359,493,522,697,747.62
  5. Step 5: Solve for x
    x = 359,493,522,697,747.62/28,792,403.28
  6. Step 6: Final answer
    x = 12,485,707.40

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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.