Home / 7,920,953.75-11,883,989.43-3,663,914.51

Finding the Fourth Proportional to 7,920,953.75, 11,883,989.43 and 3,663,914.51

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Solution

The fourth proportional to 7,920,953.75, 11,883,989.43 and 3,663,914.51 is: 5,497,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,953.75 : 11,883,989.43 = 3,663,914.51 : x
  2. Step 2: Convert to fraction form
    7,920,953.75/11,883,989.43 = 3,663,914.51/x
  3. Step 3: Cross multiply
    7,920,953.75x = 11,883,989.43 × 3,663,914.51
  4. Step 4: Simplify right side
    7,920,953.75x = 43,541,921,309,263.62
  5. Step 5: Solve for x
    x = 43,541,921,309,263.62/7,920,953.75
  6. Step 6: Final answer
    x = 5,497,055.37

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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.