Home / 15,559,955.20-21,474,621.09-8,855,917.83

Finding the Fourth Proportional to 15,559,955.20, 21,474,621.09 and 8,855,917.83

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Solution

The fourth proportional to 15,559,955.20, 21,474,621.09 and 8,855,917.83 is: 12,222,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559,955.20 : 21,474,621.09 = 8,855,917.83 : x
  2. Step 2: Convert to fraction form
    15,559,955.20/21,474,621.09 = 8,855,917.83/x
  3. Step 3: Cross multiply
    15,559,955.20x = 21,474,621.09 × 8,855,917.83
  4. Step 4: Simplify right side
    15,559,955.20x = 190,177,479,806,146.34
  5. Step 5: Solve for x
    x = 190,177,479,806,146.34/15,559,955.20
  6. Step 6: Final answer
    x = 12,222,238.26

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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.