Home / 12,682,059.12-19,019,092.44-4,160,409.84

Finding the Fourth Proportional to 12,682,059.12, 19,019,092.44 and 4,160,409.84

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Solution

The fourth proportional to 12,682,059.12, 19,019,092.44 and 4,160,409.84 is: 6,239,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,059.12 : 19,019,092.44 = 4,160,409.84 : x
  2. Step 2: Convert to fraction form
    12,682,059.12/19,019,092.44 = 4,160,409.84/x
  3. Step 3: Cross multiply
    12,682,059.12x = 19,019,092.44 × 4,160,409.84
  4. Step 4: Simplify right side
    12,682,059.12x = 79,127,219,335,245.61
  5. Step 5: Solve for x
    x = 79,127,219,335,245.61/12,682,059.12
  6. Step 6: Final answer
    x = 6,239,303.77

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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.