Home / 7,135,916.70-10,689,359.85-4,431,942.30

Finding the Fourth Proportional to 7,135,916.70, 10,689,359.85 and 4,431,942.30

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Solution

The fourth proportional to 7,135,916.70, 10,689,359.85 and 4,431,942.30 is: 6,638,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,916.70 : 10,689,359.85 = 4,431,942.30 : x
  2. Step 2: Convert to fraction form
    7,135,916.70/10,689,359.85 = 4,431,942.30/x
  3. Step 3: Cross multiply
    7,135,916.70x = 10,689,359.85 × 4,431,942.30
  4. Step 4: Simplify right side
    7,135,916.70x = 47,374,626,079,136.65
  5. Step 5: Solve for x
    x = 47,374,626,079,136.65/7,135,916.70
  6. Step 6: Final answer
    x = 6,638,898.42

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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.