Home / 40,296,410.12-60,438,709.80-19,820,633.66

Finding the Fourth Proportional to 40,296,410.12, 60,438,709.80 and 19,820,633.66

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Solution

The fourth proportional to 40,296,410.12, 60,438,709.80 and 19,820,633.66 is: 29,728,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,296,410.12 : 60,438,709.80 = 19,820,633.66 : x
  2. Step 2: Convert to fraction form
    40,296,410.12/60,438,709.80 = 19,820,633.66/x
  3. Step 3: Cross multiply
    40,296,410.12x = 60,438,709.80 × 19,820,633.66
  4. Step 4: Simplify right side
    40,296,410.12x = 1,197,933,525,828,851.75
  5. Step 5: Solve for x
    x = 1,197,933,525,828,851.75/40,296,410.12
  6. Step 6: Final answer
    x = 29,728,045.81

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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.