Home / 10,871,392.32-16,295,131.26-4,478,157.90

Finding the Fourth Proportional to 10,871,392.32, 16,295,131.26 and 4,478,157.90

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Solution

The fourth proportional to 10,871,392.32, 16,295,131.26 and 4,478,157.90 is: 6,712,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,392.32 : 16,295,131.26 = 4,478,157.90 : x
  2. Step 2: Convert to fraction form
    10,871,392.32/16,295,131.26 = 4,478,157.90/x
  3. Step 3: Cross multiply
    10,871,392.32x = 16,295,131.26 × 4,478,157.90
  4. Step 4: Simplify right side
    10,871,392.32x = 72,972,170,783,505.95
  5. Step 5: Solve for x
    x = 72,972,170,783,505.95/10,871,392.32
  6. Step 6: Final answer
    x = 6,712,311.42

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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.