Home / 7,137,021.82-9,849,100.08-3,873,837.23

Finding the Fourth Proportional to 7,137,021.82, 9,849,100.08 and 3,873,837.23

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Solution

The fourth proportional to 7,137,021.82, 9,849,100.08 and 3,873,837.23 is: 5,345,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,021.82 : 9,849,100.08 = 3,873,837.23 : x
  2. Step 2: Convert to fraction form
    7,137,021.82/9,849,100.08 = 3,873,837.23/x
  3. Step 3: Cross multiply
    7,137,021.82x = 9,849,100.08 × 3,873,837.23
  4. Step 4: Simplify right side
    7,137,021.82x = 38,153,810,503,285.29
  5. Step 5: Solve for x
    x = 38,153,810,503,285.29/7,137,021.82
  6. Step 6: Final answer
    x = 5,345,900.78

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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.