Home / 26,174,847.89-36,111,940.32-15,155,582.78

Finding the Fourth Proportional to 26,174,847.89, 36,111,940.32 and 15,155,582.78

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Solution

The fourth proportional to 26,174,847.89, 36,111,940.32 and 15,155,582.78 is: 20,909,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,174,847.89 : 36,111,940.32 = 15,155,582.78 : x
  2. Step 2: Convert to fraction form
    26,174,847.89/36,111,940.32 = 15,155,582.78/x
  3. Step 3: Cross multiply
    26,174,847.89x = 36,111,940.32 × 15,155,582.78
  4. Step 4: Simplify right side
    26,174,847.89x = 547,297,500,866,179.69
  5. Step 5: Solve for x
    x = 547,297,500,866,179.69/26,174,847.89
  6. Step 6: Final answer
    x = 20,909,290.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.