Home / 15,241,500.72-21,033,092.16-8,272,190.52

Finding the Fourth Proportional to 15,241,500.72, 21,033,092.16 and 8,272,190.52

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Solution

The fourth proportional to 15,241,500.72, 21,033,092.16 and 8,272,190.52 is: 11,415,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241,500.72 : 21,033,092.16 = 8,272,190.52 : x
  2. Step 2: Convert to fraction form
    15,241,500.72/21,033,092.16 = 8,272,190.52/x
  3. Step 3: Cross multiply
    15,241,500.72x = 21,033,092.16 × 8,272,190.52
  4. Step 4: Simplify right side
    15,241,500.72x = 173,989,745,572,238.31
  5. Step 5: Solve for x
    x = 173,989,745,572,238.31/15,241,500.72
  6. Step 6: Final answer
    x = 11,415,525.86

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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.