Home / 7,716,419.36-10,649,137.39-4,278,660.40

Finding the Fourth Proportional to 7,716,419.36, 10,649,137.39 and 4,278,660.40

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Solution

The fourth proportional to 7,716,419.36, 10,649,137.39 and 4,278,660.40 is: 5,904,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,419.36 : 10,649,137.39 = 4,278,660.40 : x
  2. Step 2: Convert to fraction form
    7,716,419.36/10,649,137.39 = 4,278,660.40/x
  3. Step 3: Cross multiply
    7,716,419.36x = 10,649,137.39 × 4,278,660.40
  4. Step 4: Simplify right side
    7,716,419.36x = 45,564,042,387,465.73
  5. Step 5: Solve for x
    x = 45,564,042,387,465.73/7,716,419.36
  6. Step 6: Final answer
    x = 5,904,816.76

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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.