Home / 13,225,351.22-18,253,669.76-7,643,834.82

Finding the Fourth Proportional to 13,225,351.22, 18,253,669.76 and 7,643,834.82

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Solution

The fourth proportional to 13,225,351.22, 18,253,669.76 and 7,643,834.82 is: 10,550,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225,351.22 : 18,253,669.76 = 7,643,834.82 : x
  2. Step 2: Convert to fraction form
    13,225,351.22/18,253,669.76 = 7,643,834.82/x
  3. Step 3: Cross multiply
    13,225,351.22x = 18,253,669.76 × 7,643,834.82
  4. Step 4: Simplify right side
    13,225,351.22x = 139,528,036,504,269.06
  5. Step 5: Solve for x
    x = 139,528,036,504,269.06/13,225,351.22
  6. Step 6: Final answer
    x = 10,550,043.94

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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.