Home / 13,931,172.30-20,896,758.45-7,474,164.15

Finding the Fourth Proportional to 13,931,172.30, 20,896,758.45 and 7,474,164.15

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Solution

The fourth proportional to 13,931,172.30, 20,896,758.45 and 7,474,164.15 is: 11,211,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931,172.30 : 20,896,758.45 = 7,474,164.15 : x
  2. Step 2: Convert to fraction form
    13,931,172.30/20,896,758.45 = 7,474,164.15/x
  3. Step 3: Cross multiply
    13,931,172.30x = 20,896,758.45 × 7,474,164.15
  4. Step 4: Simplify right side
    13,931,172.30x = 156,185,802,858,199.56
  5. Step 5: Solve for x
    x = 156,185,802,858,199.56/13,931,172.30
  6. Step 6: Final answer
    x = 11,211,246.23

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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.