Home / 21,295,639.68-31,948,833.46-5,942,916.69

Finding the Fourth Proportional to 21,295,639.68, 31,948,833.46 and 5,942,916.69

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Solution

The fourth proportional to 21,295,639.68, 31,948,833.46 and 5,942,916.69 is: 8,915,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,639.68 : 31,948,833.46 = 5,942,916.69 : x
  2. Step 2: Convert to fraction form
    21,295,639.68/31,948,833.46 = 5,942,916.69/x
  3. Step 3: Cross multiply
    21,295,639.68x = 31,948,833.46 × 5,942,916.69
  4. Step 4: Simplify right side
    21,295,639.68x = 189,869,255,435,720.28
  5. Step 5: Solve for x
    x = 189,869,255,435,720.28/21,295,639.68
  6. Step 6: Final answer
    x = 8,915,874.72

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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.