Home / 8,612,491.98-12,918,308.49-3,220,745.98

Finding the Fourth Proportional to 8,612,491.98, 12,918,308.49 and 3,220,745.98

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Solution

The fourth proportional to 8,612,491.98, 12,918,308.49 and 3,220,745.98 is: 4,830,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,491.98 : 12,918,308.49 = 3,220,745.98 : x
  2. Step 2: Convert to fraction form
    8,612,491.98/12,918,308.49 = 3,220,745.98/x
  3. Step 3: Cross multiply
    8,612,491.98x = 12,918,308.49 × 3,220,745.98
  4. Step 4: Simplify right side
    8,612,491.98x = 41,606,590,137,567.37
  5. Step 5: Solve for x
    x = 41,606,590,137,567.37/8,612,491.98
  6. Step 6: Final answer
    x = 4,830,958.36

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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.