Home / 7,243,277.82-9,995,690.62-3,980,083.06

Finding the Fourth Proportional to 7,243,277.82, 9,995,690.62 and 3,980,083.06

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Solution

The fourth proportional to 7,243,277.82, 9,995,690.62 and 3,980,083.06 is: 5,492,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,277.82 : 9,995,690.62 = 3,980,083.06 : x
  2. Step 2: Convert to fraction form
    7,243,277.82/9,995,690.62 = 3,980,083.06/x
  3. Step 3: Cross multiply
    7,243,277.82x = 9,995,690.62 × 3,980,083.06
  4. Step 4: Simplify right side
    7,243,277.82x = 39,783,678,909,662.89
  5. Step 5: Solve for x
    x = 39,783,678,909,662.89/7,243,277.82
  6. Step 6: Final answer
    x = 5,492,496.62

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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.