Home / 7,080,792.78-9,771,479.70-3,983,318.31

Finding the Fourth Proportional to 7,080,792.78, 9,771,479.70 and 3,983,318.31

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Solution

The fourth proportional to 7,080,792.78, 9,771,479.70 and 3,983,318.31 is: 5,496,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080,792.78 : 9,771,479.70 = 3,983,318.31 : x
  2. Step 2: Convert to fraction form
    7,080,792.78/9,771,479.70 = 3,983,318.31/x
  3. Step 3: Cross multiply
    7,080,792.78x = 9,771,479.70 × 3,983,318.31
  4. Step 4: Simplify right side
    7,080,792.78x = 38,922,914,004,803.30
  5. Step 5: Solve for x
    x = 38,922,914,004,803.30/7,080,792.78
  6. Step 6: Final answer
    x = 5,496,971.20

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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.