Home / 21,770,357-30,043,083.83-11,980,801.16

Finding the Fourth Proportional to 21,770,357, 30,043,083.83 and 11,980,801.16

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Solution

The fourth proportional to 21,770,357, 30,043,083.83 and 11,980,801.16 is: 16,533,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770,357 : 30,043,083.83 = 11,980,801.16 : x
  2. Step 2: Convert to fraction form
    21,770,357/30,043,083.83 = 11,980,801.16/x
  3. Step 3: Cross multiply
    21,770,357x = 30,043,083.83 × 11,980,801.16
  4. Step 4: Simplify right side
    21,770,357x = 359,940,213,600,441.25
  5. Step 5: Solve for x
    x = 359,940,213,600,441.25/21,770,357
  6. Step 6: Final answer
    x = 16,533,500.74

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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.