Home / 21,319,082.23-29,420,421.53-11,529,526.22

Finding the Fourth Proportional to 21,319,082.23, 29,420,421.53 and 11,529,526.22

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Solution

The fourth proportional to 21,319,082.23, 29,420,421.53 and 11,529,526.22 is: 15,910,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,082.23 : 29,420,421.53 = 11,529,526.22 : x
  2. Step 2: Convert to fraction form
    21,319,082.23/29,420,421.53 = 11,529,526.22/x
  3. Step 3: Cross multiply
    21,319,082.23x = 29,420,421.53 × 11,529,526.22
  4. Step 4: Simplify right side
    21,319,082.23x = 339,203,521,228,837.75
  5. Step 5: Solve for x
    x = 339,203,521,228,837.75/21,319,082.23
  6. Step 6: Final answer
    x = 15,910,793.80

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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.