Home / 19,620,516.96-29,410,991.10-12,339,180.33

Finding the Fourth Proportional to 19,620,516.96, 29,410,991.10 and 12,339,180.33

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Solution

The fourth proportional to 19,620,516.96, 29,410,991.10 and 12,339,180.33 is: 18,496,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620,516.96 : 29,410,991.10 = 12,339,180.33 : x
  2. Step 2: Convert to fraction form
    19,620,516.96/29,410,991.10 = 12,339,180.33/x
  3. Step 3: Cross multiply
    19,620,516.96x = 29,410,991.10 × 12,339,180.33
  4. Step 4: Simplify right side
    19,620,516.96x = 362,907,522,866,925.06
  5. Step 5: Solve for x
    x = 362,907,522,866,925.06/19,620,516.96
  6. Step 6: Final answer
    x = 18,496,328.29

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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.