Home / 13,931,173.05-20,896,759.58-7,474,164.90

Finding the Fourth Proportional to 13,931,173.05, 20,896,759.58 and 7,474,164.90

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Solution

The fourth proportional to 13,931,173.05, 20,896,759.58 and 7,474,164.90 is: 11,211,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931,173.05 : 20,896,759.58 = 7,474,164.90 : x
  2. Step 2: Convert to fraction form
    13,931,173.05/20,896,759.58 = 7,474,164.90/x
  3. Step 3: Cross multiply
    13,931,173.05x = 20,896,759.58 × 7,474,164.90
  4. Step 4: Simplify right side
    13,931,173.05x = 156,185,826,939,203.91
  5. Step 5: Solve for x
    x = 156,185,826,939,203.91/13,931,173.05
  6. Step 6: Final answer
    x = 11,211,247.35

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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.