Home / 15,191,892.90-20,964,810.64-8,222,569.24

Finding the Fourth Proportional to 15,191,892.90, 20,964,810.64 and 8,222,569.24

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Solution

The fourth proportional to 15,191,892.90, 20,964,810.64 and 8,222,569.24 is: 11,347,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,892.90 : 20,964,810.64 = 8,222,569.24 : x
  2. Step 2: Convert to fraction form
    15,191,892.90/20,964,810.64 = 8,222,569.24/x
  3. Step 3: Cross multiply
    15,191,892.90x = 20,964,810.64 × 8,222,569.24
  4. Step 4: Simplify right side
    15,191,892.90x = 172,384,607,090,888.72
  5. Step 5: Solve for x
    x = 172,384,607,090,888.72/15,191,892.90
  6. Step 6: Final answer
    x = 11,347,144.71

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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.