Home / 20,152,578.75-27,809,168.54-11,333,348.07

Finding the Fourth Proportional to 20,152,578.75, 27,809,168.54 and 11,333,348.07

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Solution

The fourth proportional to 20,152,578.75, 27,809,168.54 and 11,333,348.07 is: 15,639,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,578.75 : 27,809,168.54 = 11,333,348.07 : x
  2. Step 2: Convert to fraction form
    20,152,578.75/27,809,168.54 = 11,333,348.07/x
  3. Step 3: Cross multiply
    20,152,578.75x = 27,809,168.54 × 11,333,348.07
  4. Step 4: Simplify right side
    20,152,578.75x = 315,170,986,544,447
  5. Step 5: Solve for x
    x = 315,170,986,544,447/20,152,578.75
  6. Step 6: Final answer
    x = 15,639,238.55

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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.