Home / 17,387,847.90-26,081,771.85-10,921,326.30

Finding the Fourth Proportional to 17,387,847.90, 26,081,771.85 and 10,921,326.30

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Solution

The fourth proportional to 17,387,847.90, 26,081,771.85 and 10,921,326.30 is: 16,381,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,847.90 : 26,081,771.85 = 10,921,326.30 : x
  2. Step 2: Convert to fraction form
    17,387,847.90/26,081,771.85 = 10,921,326.30/x
  3. Step 3: Cross multiply
    17,387,847.90x = 26,081,771.85 × 10,921,326.30
  4. Step 4: Simplify right side
    17,387,847.90x = 284,847,540,856,004.69
  5. Step 5: Solve for x
    x = 284,847,540,856,004.69/17,387,847.90
  6. Step 6: Final answer
    x = 16,381,989.45

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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.