Home / 7,161,927.22-9,883,431.57-3,898,923.22

Finding the Fourth Proportional to 7,161,927.22, 9,883,431.57 and 3,898,923.22

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Solution

The fourth proportional to 7,161,927.22, 9,883,431.57 and 3,898,923.22 is: 5,380,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,927.22 : 9,883,431.57 = 3,898,923.22 : x
  2. Step 2: Convert to fraction form
    7,161,927.22/9,883,431.57 = 3,898,923.22/x
  3. Step 3: Cross multiply
    7,161,927.22x = 9,883,431.57 × 3,898,923.22
  4. Step 4: Simplify right side
    7,161,927.22x = 38,534,740,841,554.05
  5. Step 5: Solve for x
    x = 38,534,740,841,554.05/7,161,927.22
  6. Step 6: Final answer
    x = 5,380,498.80

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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.