Home / 18,871,907.85-28,313,803.67-6,741,102.83

Finding the Fourth Proportional to 18,871,907.85, 28,313,803.67 and 6,741,102.83

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Solution

The fourth proportional to 18,871,907.85, 28,313,803.67 and 6,741,102.83 is: 10,113,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,871,907.85 : 28,313,803.67 = 6,741,102.83 : x
  2. Step 2: Convert to fraction form
    18,871,907.85/28,313,803.67 = 6,741,102.83/x
  3. Step 3: Cross multiply
    18,871,907.85x = 28,313,803.67 × 6,741,102.83
  4. Step 4: Simplify right side
    18,871,907.85x = 190,866,261,872,626.84
  5. Step 5: Solve for x
    x = 190,866,261,872,626.84/18,871,907.85
  6. Step 6: Final answer
    x = 10,113,776.70

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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.