Home / 22,178,790.20-33,232,415.70-12,565,580.60

Finding the Fourth Proportional to 22,178,790.20, 33,232,415.70 and 12,565,580.60

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Solution

The fourth proportional to 22,178,790.20, 33,232,415.70 and 12,565,580.60 is: 18,828,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178,790.20 : 33,232,415.70 = 12,565,580.60 : x
  2. Step 2: Convert to fraction form
    22,178,790.20/33,232,415.70 = 12,565,580.60/x
  3. Step 3: Cross multiply
    22,178,790.20x = 33,232,415.70 × 12,565,580.60
  4. Step 4: Simplify right side
    22,178,790.20x = 417,584,598,011,055.38
  5. Step 5: Solve for x
    x = 417,584,598,011,055.38/22,178,790.20
  6. Step 6: Final answer
    x = 18,828,105.33

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Double scale
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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.