Home / 7,944,869.70-11,920,969.67-3,628,243.22

Finding the Fourth Proportional to 7,944,869.70, 11,920,969.67 and 3,628,243.22

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Solution

The fourth proportional to 7,944,869.70, 11,920,969.67 and 3,628,243.22 is: 5,444,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944,869.70 : 11,920,969.67 = 3,628,243.22 : x
  2. Step 2: Convert to fraction form
    7,944,869.70/11,920,969.67 = 3,628,243.22/x
  3. Step 3: Cross multiply
    7,944,869.70x = 11,920,969.67 × 3,628,243.22
  4. Step 4: Simplify right side
    7,944,869.70x = 43,252,177,303,257.07
  5. Step 5: Solve for x
    x = 43,252,177,303,257.07/7,944,869.70
  6. Step 6: Final answer
    x = 5,444,038.60

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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.