Home / 12,933,993.20-19,402,110.23-4,738,861.31

Finding the Fourth Proportional to 12,933,993.20, 19,402,110.23 and 4,738,861.31

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Solution

The fourth proportional to 12,933,993.20, 19,402,110.23 and 4,738,861.31 is: 7,108,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933,993.20 : 19,402,110.23 = 4,738,861.31 : x
  2. Step 2: Convert to fraction form
    12,933,993.20/19,402,110.23 = 4,738,861.31/x
  3. Step 3: Cross multiply
    12,933,993.20x = 19,402,110.23 × 4,738,861.31
  4. Step 4: Simplify right side
    12,933,993.20x = 91,943,909,380,597.34
  5. Step 5: Solve for x
    x = 91,943,909,380,597.34/12,933,993.20
  6. Step 6: Final answer
    x = 7,108,702.47

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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.