Home / 20,393,709.56-30,590,888.73-11,353,268.63

Finding the Fourth Proportional to 20,393,709.56, 30,590,888.73 and 11,353,268.63

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Solution

The fourth proportional to 20,393,709.56, 30,590,888.73 and 11,353,268.63 is: 17,030,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393,709.56 : 30,590,888.73 = 11,353,268.63 : x
  2. Step 2: Convert to fraction form
    20,393,709.56/30,590,888.73 = 11,353,268.63/x
  3. Step 3: Cross multiply
    20,393,709.56x = 30,590,888.73 × 11,353,268.63
  4. Step 4: Simplify right side
    20,393,709.56x = 347,306,577,382,129.56
  5. Step 5: Solve for x
    x = 347,306,577,382,129.56/20,393,709.56
  6. Step 6: Final answer
    x = 17,030,083.53

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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.