Home / 12,852,121.77-17,735,926.73-7,270,249.03

Finding the Fourth Proportional to 12,852,121.77, 17,735,926.73 and 7,270,249.03

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Solution

The fourth proportional to 12,852,121.77, 17,735,926.73 and 7,270,249.03 is: 10,032,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852,121.77 : 17,735,926.73 = 7,270,249.03 : x
  2. Step 2: Convert to fraction form
    12,852,121.77/17,735,926.73 = 7,270,249.03/x
  3. Step 3: Cross multiply
    12,852,121.77x = 17,735,926.73 × 7,270,249.03
  4. Step 4: Simplify right side
    12,852,121.77x = 128,944,604,024,242.52
  5. Step 5: Solve for x
    x = 128,944,604,024,242.52/12,852,121.77
  6. Step 6: Final answer
    x = 10,032,942.91

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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.