Home / 21,151,948.80-29,194,997.76-11,990,058.24

Finding the Fourth Proportional to 21,151,948.80, 29,194,997.76 and 11,990,058.24

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Solution

The fourth proportional to 21,151,948.80, 29,194,997.76 and 11,990,058.24 is: 16,549,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151,948.80 : 29,194,997.76 = 11,990,058.24 : x
  2. Step 2: Convert to fraction form
    21,151,948.80/29,194,997.76 = 11,990,058.24/x
  3. Step 3: Cross multiply
    21,151,948.80x = 29,194,997.76 × 11,990,058.24
  4. Step 4: Simplify right side
    21,151,948.80x = 350,049,723,459,069.56
  5. Step 5: Solve for x
    x = 350,049,723,459,069.56/21,151,948.80
  6. Step 6: Final answer
    x = 16,549,289.47

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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.