Home / 13,631,431.40-20,463,735.90-6,896,378.60

Finding the Fourth Proportional to 13,631,431.40, 20,463,735.90 and 6,896,378.60

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Solution

The fourth proportional to 13,631,431.40, 20,463,735.90 and 6,896,378.60 is: 10,352,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,431.40 : 20,463,735.90 = 6,896,378.60 : x
  2. Step 2: Convert to fraction form
    13,631,431.40/20,463,735.90 = 6,896,378.60/x
  3. Step 3: Cross multiply
    13,631,431.40x = 20,463,735.90 × 6,896,378.60
  4. Step 4: Simplify right side
    13,631,431.40x = 141,125,670,336,811.72
  5. Step 5: Solve for x
    x = 141,125,670,336,811.72/13,631,431.40
  6. Step 6: Final answer
    x = 10,352,960.46

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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.