Home / 12,793,632.30-19,193,770.05-3,818,185.26

Finding the Fourth Proportional to 12,793,632.30, 19,193,770.05 and 3,818,185.26

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Solution

The fourth proportional to 12,793,632.30, 19,193,770.05 and 3,818,185.26 is: 5,728,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,632.30 : 19,193,770.05 = 3,818,185.26 : x
  2. Step 2: Convert to fraction form
    12,793,632.30/19,193,770.05 = 3,818,185.26/x
  3. Step 3: Cross multiply
    12,793,632.30x = 19,193,770.05 × 3,818,185.26
  4. Step 4: Simplify right side
    12,793,632.30x = 73,285,369,888,739.47
  5. Step 5: Solve for x
    x = 73,285,369,888,739.47/12,793,632.30
  6. Step 6: Final answer
    x = 5,728,269.20

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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.