Home / 20,802,133.89-28,706,788.13-11,634,777.09

Finding the Fourth Proportional to 20,802,133.89, 28,706,788.13 and 11,634,777.09

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Solution

The fourth proportional to 20,802,133.89, 28,706,788.13 and 11,634,777.09 is: 16,055,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,133.89 : 28,706,788.13 = 11,634,777.09 : x
  2. Step 2: Convert to fraction form
    20,802,133.89/28,706,788.13 = 11,634,777.09/x
  3. Step 3: Cross multiply
    20,802,133.89x = 28,706,788.13 × 11,634,777.09
  4. Step 4: Simplify right side
    20,802,133.89x = 333,997,080,804,234.06
  5. Step 5: Solve for x
    x = 333,997,080,804,234.06/20,802,133.89
  6. Step 6: Final answer
    x = 16,055,904.77

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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.