Home / 7,685,391.89-10,605,825.41-4,377,684.87

Finding the Fourth Proportional to 7,685,391.89, 10,605,825.41 and 4,377,684.87

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Solution

The fourth proportional to 7,685,391.89, 10,605,825.41 and 4,377,684.87 is: 6,041,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,391.89 : 10,605,825.41 = 4,377,684.87 : x
  2. Step 2: Convert to fraction form
    7,685,391.89/10,605,825.41 = 4,377,684.87/x
  3. Step 3: Cross multiply
    7,685,391.89x = 10,605,825.41 × 4,377,684.87
  4. Step 4: Simplify right side
    7,685,391.89x = 46,428,961,431,218.55
  5. Step 5: Solve for x
    x = 46,428,961,431,218.55/7,685,391.89
  6. Step 6: Final answer
    x = 6,041,196.35

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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.