Home / 7,889,686.56-10,887,661.62-4,405,078.87

Finding the Fourth Proportional to 7,889,686.56, 10,887,661.62 and 4,405,078.87

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Solution

The fourth proportional to 7,889,686.56, 10,887,661.62 and 4,405,078.87 is: 6,078,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,686.56 : 10,887,661.62 = 4,405,078.87 : x
  2. Step 2: Convert to fraction form
    7,889,686.56/10,887,661.62 = 4,405,078.87/x
  3. Step 3: Cross multiply
    7,889,686.56x = 10,887,661.62 × 4,405,078.87
  4. Step 4: Simplify right side
    7,889,686.56x = 47,961,008,118,752.80
  5. Step 5: Solve for x
    x = 47,961,008,118,752.80/7,889,686.56
  6. Step 6: Final answer
    x = 6,078,949.75

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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.