Home / 12,126,902.90-18,192,881.55-4,042,390.10

Finding the Fourth Proportional to 12,126,902.90, 18,192,881.55 and 4,042,390.10

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Solution

The fourth proportional to 12,126,902.90, 18,192,881.55 and 4,042,390.10 is: 6,064,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,902.90 : 18,192,881.55 = 4,042,390.10 : x
  2. Step 2: Convert to fraction form
    12,126,902.90/18,192,881.55 = 4,042,390.10/x
  3. Step 3: Cross multiply
    12,126,902.90x = 18,192,881.55 × 4,042,390.10
  4. Step 4: Simplify right side
    12,126,902.90x = 73,542,724,268,192.66
  5. Step 5: Solve for x
    x = 73,542,724,268,192.66/12,126,902.90
  6. Step 6: Final answer
    x = 6,064,427.57

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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.