Home / 13,150,083.06-18,145,543.08-7,268,922.96

Finding the Fourth Proportional to 13,150,083.06, 18,145,543.08 and 7,268,922.96

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Solution

The fourth proportional to 13,150,083.06, 18,145,543.08 and 7,268,922.96 is: 10,030,244.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,083.06 : 18,145,543.08 = 7,268,922.96 : x
  2. Step 2: Convert to fraction form
    13,150,083.06/18,145,543.08 = 7,268,922.96/x
  3. Step 3: Cross multiply
    13,150,083.06x = 18,145,543.08 × 7,268,922.96
  4. Step 4: Simplify right side
    13,150,083.06x = 131,898,554,715,881.11
  5. Step 5: Solve for x
    x = 131,898,554,715,881.11/13,150,083.06
  6. Step 6: Final answer
    x = 10,030,244.99

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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.