Home / 36,007,821.54-54,014,140.37-12,661,775.30

Finding the Fourth Proportional to 36,007,821.54, 54,014,140.37 and 12,661,775.30

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Solution

The fourth proportional to 36,007,821.54, 54,014,140.37 and 12,661,775.30 is: 18,993,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007,821.54 : 54,014,140.37 = 12,661,775.30 : x
  2. Step 2: Convert to fraction form
    36,007,821.54/54,014,140.37 = 12,661,775.30/x
  3. Step 3: Cross multiply
    36,007,821.54x = 54,014,140.37 × 12,661,775.30
  4. Step 4: Simplify right side
    36,007,821.54x = 683,914,908,054,219.25
  5. Step 5: Solve for x
    x = 683,914,908,054,219.25/36,007,821.54
  6. Step 6: Final answer
    x = 18,993,509.71

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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.