Home / 40,296,234.72-60,438,447.15-19,820,458.15

Finding the Fourth Proportional to 40,296,234.72, 60,438,447.15 and 19,820,458.15

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Solution

The fourth proportional to 40,296,234.72, 60,438,447.15 and 19,820,458.15 is: 29,727,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,296,234.72 : 60,438,447.15 = 19,820,458.15 : x
  2. Step 2: Convert to fraction form
    40,296,234.72/60,438,447.15 = 19,820,458.15/x
  3. Step 3: Cross multiply
    40,296,234.72x = 60,438,447.15 × 19,820,458.15
  4. Step 4: Simplify right side
    40,296,234.72x = 1,197,917,712,387,561.75
  5. Step 5: Solve for x
    x = 1,197,917,712,387,561.75/40,296,234.72
  6. Step 6: Final answer
    x = 29,727,782.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.