Home / 12,812,944.93-17,682,644.90-7,307,382.22

Finding the Fourth Proportional to 12,812,944.93, 17,682,644.90 and 7,307,382.22

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Solution

The fourth proportional to 12,812,944.93, 17,682,644.90 and 7,307,382.22 is: 10,084,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,944.93 : 17,682,644.90 = 7,307,382.22 : x
  2. Step 2: Convert to fraction form
    12,812,944.93/17,682,644.90 = 7,307,382.22/x
  3. Step 3: Cross multiply
    12,812,944.93x = 17,682,644.90 × 7,307,382.22
  4. Step 4: Simplify right side
    12,812,944.93x = 129,213,844,918,895.53
  5. Step 5: Solve for x
    x = 129,213,844,918,895.53/12,812,944.93
  6. Step 6: Final answer
    x = 10,084,632.82

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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.