Home / 7,036,981.75-9,710,969.20-3,981,196

Finding the Fourth Proportional to 7,036,981.75, 9,710,969.20 and 3,981,196

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Solution

The fourth proportional to 7,036,981.75, 9,710,969.20 and 3,981,196 is: 5,494,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036,981.75 : 9,710,969.20 = 3,981,196 : x
  2. Step 2: Convert to fraction form
    7,036,981.75/9,710,969.20 = 3,981,196/x
  3. Step 3: Cross multiply
    7,036,981.75x = 9,710,969.20 × 3,981,196
  4. Step 4: Simplify right side
    7,036,981.75x = 38,661,271,735,163.20
  5. Step 5: Solve for x
    x = 38,661,271,735,163.20/7,036,981.75
  6. Step 6: Final answer
    x = 5,494,013.36

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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.