Home / 7,685,517.12-10,606,562.64-4,247,684.16

Finding the Fourth Proportional to 7,685,517.12, 10,606,562.64 and 4,247,684.16

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Solution

The fourth proportional to 7,685,517.12, 10,606,562.64 and 4,247,684.16 is: 5,862,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,517.12 : 10,606,562.64 = 4,247,684.16 : x
  2. Step 2: Convert to fraction form
    7,685,517.12/10,606,562.64 = 4,247,684.16/x
  3. Step 3: Cross multiply
    7,685,517.12x = 10,606,562.64 × 4,247,684.16
  4. Step 4: Simplify right side
    7,685,517.12x = 45,053,328,117,975.79
  5. Step 5: Solve for x
    x = 45,053,328,117,975.79/7,685,517.12
  6. Step 6: Final answer
    x = 5,862,107.57

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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.