Home / 18,825,229.66-28,249,787.57-8,042,611.62

Finding the Fourth Proportional to 18,825,229.66, 28,249,787.57 and 8,042,611.62

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Solution

The fourth proportional to 18,825,229.66, 28,249,787.57 and 8,042,611.62 is: 12,069,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,229.66 : 28,249,787.57 = 8,042,611.62 : x
  2. Step 2: Convert to fraction form
    18,825,229.66/28,249,787.57 = 8,042,611.62/x
  3. Step 3: Cross multiply
    18,825,229.66x = 28,249,787.57 × 8,042,611.62
  4. Step 4: Simplify right side
    18,825,229.66x = 227,202,069,773,013.56
  5. Step 5: Solve for x
    x = 227,202,069,773,013.56/18,825,229.66
  6. Step 6: Final answer
    x = 12,069,019.81

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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.