Home / 13,807,517.85-20,707,955.28-4,222,979.46

Finding the Fourth Proportional to 13,807,517.85, 20,707,955.28 and 4,222,979.46

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Solution

The fourth proportional to 13,807,517.85, 20,707,955.28 and 4,222,979.46 is: 6,333,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,517.85 : 20,707,955.28 = 4,222,979.46 : x
  2. Step 2: Convert to fraction form
    13,807,517.85/20,707,955.28 = 4,222,979.46/x
  3. Step 3: Cross multiply
    13,807,517.85x = 20,707,955.28 × 4,222,979.46
  4. Step 4: Simplify right side
    13,807,517.85x = 87,449,269,806,038.55
  5. Step 5: Solve for x
    x = 87,449,269,806,038.55/13,807,517.85
  6. Step 6: Final answer
    x = 6,333,453.32

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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.