Home / 22,385,537.20-33,578,305.80-7,240,999.60

Finding the Fourth Proportional to 22,385,537.20, 33,578,305.80 and 7,240,999.60

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Solution

The fourth proportional to 22,385,537.20, 33,578,305.80 and 7,240,999.60 is: 10,861,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385,537.20 : 33,578,305.80 = 7,240,999.60 : x
  2. Step 2: Convert to fraction form
    22,385,537.20/33,578,305.80 = 7,240,999.60/x
  3. Step 3: Cross multiply
    22,385,537.20x = 33,578,305.80 × 7,240,999.60
  4. Step 4: Simplify right side
    22,385,537.20x = 243,140,498,866,477.66
  5. Step 5: Solve for x
    x = 243,140,498,866,477.66/22,385,537.20
  6. Step 6: Final answer
    x = 10,861,499.40

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Similar ratio
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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.