Home / 13,214,106.15-19,818,796.96-8,407,517.55

Finding the Fourth Proportional to 13,214,106.15, 19,818,796.96 and 8,407,517.55

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Solution

The fourth proportional to 13,214,106.15, 19,818,796.96 and 8,407,517.55 is: 12,609,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,106.15 : 19,818,796.96 = 8,407,517.55 : x
  2. Step 2: Convert to fraction form
    13,214,106.15/19,818,796.96 = 8,407,517.55/x
  3. Step 3: Cross multiply
    13,214,106.15x = 19,818,796.96 × 8,407,517.55
  4. Step 4: Simplify right side
    13,214,106.15x = 166,626,883,149,983.28
  5. Step 5: Solve for x
    x = 166,626,883,149,983.28/13,214,106.15
  6. Step 6: Final answer
    x = 12,609,773.32

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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.