Home / 15,068,871.78-20,794,898.12-8,193,355.26

Finding the Fourth Proportional to 15,068,871.78, 20,794,898.12 and 8,193,355.26

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Solution

The fourth proportional to 15,068,871.78, 20,794,898.12 and 8,193,355.26 is: 11,306,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068,871.78 : 20,794,898.12 = 8,193,355.26 : x
  2. Step 2: Convert to fraction form
    15,068,871.78/20,794,898.12 = 8,193,355.26/x
  3. Step 3: Cross multiply
    15,068,871.78x = 20,794,898.12 × 8,193,355.26
  4. Step 4: Simplify right side
    15,068,871.78x = 170,379,987,851,699.31
  5. Step 5: Solve for x
    x = 170,379,987,851,699.31/15,068,871.78
  6. Step 6: Final answer
    x = 11,306,751.45

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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.