Home / 13,214,109.06-19,818,801.32-8,407,520.46

Finding the Fourth Proportional to 13,214,109.06, 19,818,801.32 and 8,407,520.46

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Solution

The fourth proportional to 13,214,109.06, 19,818,801.32 and 8,407,520.46 is: 12,609,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,109.06 : 19,818,801.32 = 8,407,520.46 : x
  2. Step 2: Convert to fraction form
    13,214,109.06/19,818,801.32 = 8,407,520.46/x
  3. Step 3: Cross multiply
    13,214,109.06x = 19,818,801.32 × 8,407,520.46
  4. Step 4: Simplify right side
    13,214,109.06x = 166,626,977,548,537.44
  5. Step 5: Solve for x
    x = 166,626,977,548,537.44/13,214,109.06
  6. Step 6: Final answer
    x = 12,609,777.68

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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.