Home / 31,173,715.40-43,019,619.54-17,422,679.54

Finding the Fourth Proportional to 31,173,715.40, 43,019,619.54 and 17,422,679.54

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Solution

The fourth proportional to 31,173,715.40, 43,019,619.54 and 17,422,679.54 is: 24,043,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173,715.40 : 43,019,619.54 = 17,422,679.54 : x
  2. Step 2: Convert to fraction form
    31,173,715.40/43,019,619.54 = 17,422,679.54/x
  3. Step 3: Cross multiply
    31,173,715.40x = 43,019,619.54 × 17,422,679.54
  4. Step 4: Simplify right side
    31,173,715.40x = 749,517,045,178,142.12
  5. Step 5: Solve for x
    x = 749,517,045,178,142.12/31,173,715.40
  6. Step 6: Final answer
    x = 24,043,237.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.