Home / 20,802,132.39-28,706,786.06-11,634,775.59

Finding the Fourth Proportional to 20,802,132.39, 28,706,786.06 and 11,634,775.59

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Solution

The fourth proportional to 20,802,132.39, 28,706,786.06 and 11,634,775.59 is: 16,055,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,132.39 : 28,706,786.06 = 11,634,775.59 : x
  2. Step 2: Convert to fraction form
    20,802,132.39/28,706,786.06 = 11,634,775.59/x
  3. Step 3: Cross multiply
    20,802,132.39x = 28,706,786.06 × 11,634,775.59
  4. Step 4: Simplify right side
    20,802,132.39x = 333,997,013,660,066.38
  5. Step 5: Solve for x
    x = 333,997,013,660,066.38/20,802,132.39
  6. Step 6: Final answer
    x = 16,055,902.70

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1.5x scale

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.