Home / 20,379,907.34-28,124,494.62-11,087,529.83

Finding the Fourth Proportional to 20,379,907.34, 28,124,494.62 and 11,087,529.83

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Solution

The fourth proportional to 20,379,907.34, 28,124,494.62 and 11,087,529.83 is: 15,300,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,379,907.34 : 28,124,494.62 = 11,087,529.83 : x
  2. Step 2: Convert to fraction form
    20,379,907.34/28,124,494.62 = 11,087,529.83/x
  3. Step 3: Cross multiply
    20,379,907.34x = 28,124,494.62 × 11,087,529.83
  4. Step 4: Simplify right side
    20,379,907.34x = 311,831,173,052,924.50
  5. Step 5: Solve for x
    x = 311,831,173,052,924.50/20,379,907.34
  6. Step 6: Final answer
    x = 15,300,912.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.