Home / 53,192,029.68-79,788,066.39-12,802,513.68

Finding the Fourth Proportional to 53,192,029.68, 79,788,066.39 and 12,802,513.68

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Solution

The fourth proportional to 53,192,029.68, 79,788,066.39 and 12,802,513.68 is: 19,203,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,192,029.68 : 79,788,066.39 = 12,802,513.68 : x
  2. Step 2: Convert to fraction form
    53,192,029.68/79,788,066.39 = 12,802,513.68/x
  3. Step 3: Cross multiply
    53,192,029.68x = 79,788,066.39 × 12,802,513.68
  4. Step 4: Simplify right side
    53,192,029.68x = 1,021,487,811,458,723.25
  5. Step 5: Solve for x
    x = 1,021,487,811,458,723.25/53,192,029.68
  6. Step 6: Final answer
    x = 19,203,775.78

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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.