Home / 13,381,845.92-20,072,784.36-3,666,541.60

Finding the Fourth Proportional to 13,381,845.92, 20,072,784.36 and 3,666,541.60

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Solution

The fourth proportional to 13,381,845.92, 20,072,784.36 and 3,666,541.60 is: 5,499,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,845.92 : 20,072,784.36 = 3,666,541.60 : x
  2. Step 2: Convert to fraction form
    13,381,845.92/20,072,784.36 = 3,666,541.60/x
  3. Step 3: Cross multiply
    13,381,845.92x = 20,072,784.36 × 3,666,541.60
  4. Step 4: Simplify right side
    13,381,845.92x = 73,597,698,883,769.38
  5. Step 5: Solve for x
    x = 73,597,698,883,769.38/13,381,845.92
  6. Step 6: Final answer
    x = 5,499,816.64

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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.