Home / 20,180,285.52-27,848,786.34-11,012,928.27

Finding the Fourth Proportional to 20,180,285.52, 27,848,786.34 and 11,012,928.27

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Solution

The fourth proportional to 20,180,285.52, 27,848,786.34 and 11,012,928.27 is: 15,197,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,285.52 : 27,848,786.34 = 11,012,928.27 : x
  2. Step 2: Convert to fraction form
    20,180,285.52/27,848,786.34 = 11,012,928.27/x
  3. Step 3: Cross multiply
    20,180,285.52x = 27,848,786.34 × 11,012,928.27
  4. Step 4: Simplify right side
    20,180,285.52x = 306,696,686,368,975.81
  5. Step 5: Solve for x
    x = 306,696,686,368,975.81/20,180,285.52
  6. Step 6: Final answer
    x = 15,197,836.82

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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.