Home / 7,243,278.32-9,995,691.32-3,980,083.56

Finding the Fourth Proportional to 7,243,278.32, 9,995,691.32 and 3,980,083.56

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Solution

The fourth proportional to 7,243,278.32, 9,995,691.32 and 3,980,083.56 is: 5,492,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,278.32 : 9,995,691.32 = 3,980,083.56 : x
  2. Step 2: Convert to fraction form
    7,243,278.32/9,995,691.32 = 3,980,083.56/x
  3. Step 3: Cross multiply
    7,243,278.32x = 9,995,691.32 × 3,980,083.56
  4. Step 4: Simplify right side
    7,243,278.32x = 39,783,686,673,666.28
  5. Step 5: Solve for x
    x = 39,783,686,673,666.28/7,243,278.32
  6. Step 6: Final answer
    x = 5,492,497.31

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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.