Home / 20,267,736.39-27,971,476.62-11,567,210.69

Finding the Fourth Proportional to 20,267,736.39, 27,971,476.62 and 11,567,210.69

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Solution

The fourth proportional to 20,267,736.39, 27,971,476.62 and 11,567,210.69 is: 15,963,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267,736.39 : 27,971,476.62 = 11,567,210.69 : x
  2. Step 2: Convert to fraction form
    20,267,736.39/27,971,476.62 = 11,567,210.69/x
  3. Step 3: Cross multiply
    20,267,736.39x = 27,971,476.62 × 11,567,210.69
  4. Step 4: Simplify right side
    20,267,736.39x = 323,551,963,400,500.75
  5. Step 5: Solve for x
    x = 323,551,963,400,500.75/20,267,736.39
  6. Step 6: Final answer
    x = 15,963,892.42

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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.