Home / 10,939,768.80-16,424,427.60-6,395,474.40

Finding the Fourth Proportional to 10,939,768.80, 16,424,427.60 and 6,395,474.40

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Solution

The fourth proportional to 10,939,768.80, 16,424,427.60 and 6,395,474.40 is: 9,601,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939,768.80 : 16,424,427.60 = 6,395,474.40 : x
  2. Step 2: Convert to fraction form
    10,939,768.80/16,424,427.60 = 6,395,474.40/x
  3. Step 3: Cross multiply
    10,939,768.80x = 16,424,427.60 × 6,395,474.40
  4. Step 4: Simplify right side
    10,939,768.80x = 105,042,006,250,453.44
  5. Step 5: Solve for x
    x = 105,042,006,250,453.44/10,939,768.80
  6. Step 6: Final answer
    x = 9,601,848.83

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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.