Home / 13,774,905.56-20,665,347.44-4,190,034.98

Finding the Fourth Proportional to 13,774,905.56, 20,665,347.44 and 4,190,034.98

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Solution

The fourth proportional to 13,774,905.56, 20,665,347.44 and 4,190,034.98 is: 6,285,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,905.56 : 20,665,347.44 = 4,190,034.98 : x
  2. Step 2: Convert to fraction form
    13,774,905.56/20,665,347.44 = 4,190,034.98/x
  3. Step 3: Cross multiply
    13,774,905.56x = 20,665,347.44 × 4,190,034.98
  4. Step 4: Simplify right side
    13,774,905.56x = 86,588,528,647,453.45
  5. Step 5: Solve for x
    x = 86,588,528,647,453.45/13,774,905.56
  6. Step 6: Final answer
    x = 6,285,961.69

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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.