Home / 22,056,385.20-33,009,928.20-19,368,999.60

Finding the Fourth Proportional to 22,056,385.20, 33,009,928.20 and 19,368,999.60

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Solution

The fourth proportional to 22,056,385.20, 33,009,928.20 and 19,368,999.60 is: 28,987,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056,385.20 : 33,009,928.20 = 19,368,999.60 : x
  2. Step 2: Convert to fraction form
    22,056,385.20/33,009,928.20 = 19,368,999.60/x
  3. Step 3: Cross multiply
    22,056,385.20x = 33,009,928.20 × 19,368,999.60
  4. Step 4: Simplify right side
    22,056,385.20x = 639,369,286,101,828.75
  5. Step 5: Solve for x
    x = 639,369,286,101,828.75/22,056,385.20
  6. Step 6: Final answer
    x = 28,987,945.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.