Home / 8,219,239.56-12,326,865.12-3,424,312.80

Finding the Fourth Proportional to 8,219,239.56, 12,326,865.12 and 3,424,312.80

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Solution

The fourth proportional to 8,219,239.56, 12,326,865.12 and 3,424,312.80 is: 5,135,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,239.56 : 12,326,865.12 = 3,424,312.80 : x
  2. Step 2: Convert to fraction form
    8,219,239.56/12,326,865.12 = 3,424,312.80/x
  3. Step 3: Cross multiply
    8,219,239.56x = 12,326,865.12 × 3,424,312.80
  4. Step 4: Simplify right side
    8,219,239.56x = 42,211,042,014,289.53
  5. Step 5: Solve for x
    x = 42,211,042,014,289.53/8,219,239.56
  6. Step 6: Final answer
    x = 5,135,638.36

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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.