Home / 12,687,364.24-19,030,881.42-3,102,825.76

Finding the Fourth Proportional to 12,687,364.24, 19,030,881.42 and 3,102,825.76

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Solution

The fourth proportional to 12,687,364.24, 19,030,881.42 and 3,102,825.76 is: 4,654,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,364.24 : 19,030,881.42 = 3,102,825.76 : x
  2. Step 2: Convert to fraction form
    12,687,364.24/19,030,881.42 = 3,102,825.76/x
  3. Step 3: Cross multiply
    12,687,364.24x = 19,030,881.42 × 3,102,825.76
  4. Step 4: Simplify right side
    12,687,364.24x = 59,049,509,105,481.38
  5. Step 5: Solve for x
    x = 59,049,509,105,481.38/12,687,364.24
  6. Step 6: Final answer
    x = 4,654,198.30

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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.