Home / 12,822,522.29-19,237,379.23-5,151,553.78

Finding the Fourth Proportional to 12,822,522.29, 19,237,379.23 and 5,151,553.78

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Solution

The fourth proportional to 12,822,522.29, 19,237,379.23 and 5,151,553.78 is: 7,728,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,522.29 : 19,237,379.23 = 5,151,553.78 : x
  2. Step 2: Convert to fraction form
    12,822,522.29/19,237,379.23 = 5,151,553.78/x
  3. Step 3: Cross multiply
    12,822,522.29x = 19,237,379.23 × 5,151,553.78
  4. Step 4: Simplify right side
    12,822,522.29x = 99,102,393,689,600
  5. Step 5: Solve for x
    x = 99,102,393,689,600/12,822,522.29
  6. Step 6: Final answer
    x = 7,728,775.31

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1.5x scale

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.