Home / 13,412,815.80-20,119,223.70-10,672,942.20

Finding the Fourth Proportional to 13,412,815.80, 20,119,223.70 and 10,672,942.20

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Solution

The fourth proportional to 13,412,815.80, 20,119,223.70 and 10,672,942.20 is: 16,009,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,815.80 : 20,119,223.70 = 10,672,942.20 : x
  2. Step 2: Convert to fraction form
    13,412,815.80/20,119,223.70 = 10,672,942.20/x
  3. Step 3: Cross multiply
    13,412,815.80x = 20,119,223.70 × 10,672,942.20
  4. Step 4: Simplify right side
    13,412,815.80x = 214,731,311,658,970.12
  5. Step 5: Solve for x
    x = 214,731,311,658,970.12/13,412,815.80
  6. Step 6: Final answer
    x = 16,009,413.30

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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.