Home / 10,915,428.70-16,370,846.70-5,519,006.20

Finding the Fourth Proportional to 10,915,428.70, 16,370,846.70 and 5,519,006.20

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Solution

The fourth proportional to 10,915,428.70, 16,370,846.70 and 5,519,006.20 is: 8,277,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,428.70 : 16,370,846.70 = 5,519,006.20 : x
  2. Step 2: Convert to fraction form
    10,915,428.70/16,370,846.70 = 5,519,006.20/x
  3. Step 3: Cross multiply
    10,915,428.70x = 16,370,846.70 × 5,519,006.20
  4. Step 4: Simplify right side
    10,915,428.70x = 90,350,804,436,549.53
  5. Step 5: Solve for x
    x = 90,350,804,436,549.53/10,915,428.70
  6. Step 6: Final answer
    x = 8,277,348.23

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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.