Home / 12,126,918.15-18,192,904.43-4,042,405.35

Finding the Fourth Proportional to 12,126,918.15, 18,192,904.43 and 4,042,405.35

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Solution

The fourth proportional to 12,126,918.15, 18,192,904.43 and 4,042,405.35 is: 6,064,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,918.15 : 18,192,904.43 = 4,042,405.35 : x
  2. Step 2: Convert to fraction form
    12,126,918.15/18,192,904.43 = 4,042,405.35/x
  3. Step 3: Cross multiply
    12,126,918.15x = 18,192,904.43 × 4,042,405.35
  4. Step 4: Simplify right side
    12,126,918.15x = 73,543,094,179,658.67
  5. Step 5: Solve for x
    x = 73,543,094,179,658.67/12,126,918.15
  6. Step 6: Final answer
    x = 6,064,450.45

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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.