Home / 10,781,866.87-16,177,850.69-5,313,980.94

Finding the Fourth Proportional to 10,781,866.87, 16,177,850.69 and 5,313,980.94

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Solution

The fourth proportional to 10,781,866.87, 16,177,850.69 and 5,313,980.94 is: 7,973,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,866.87 : 16,177,850.69 = 5,313,980.94 : x
  2. Step 2: Convert to fraction form
    10,781,866.87/16,177,850.69 = 5,313,980.94/x
  3. Step 3: Cross multiply
    10,781,866.87x = 16,177,850.69 × 5,313,980.94
  4. Step 4: Simplify right side
    10,781,866.87x = 85,968,790,216,825.86
  5. Step 5: Solve for x
    x = 85,968,790,216,825.86/10,781,866.87
  6. Step 6: Final answer
    x = 7,973,460.56

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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.