Home / 6,915,918.80-10,366,879.80-4,074,568.40

Finding the Fourth Proportional to 6,915,918.80, 10,366,879.80 and 4,074,568.40

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Solution

The fourth proportional to 6,915,918.80, 10,366,879.80 and 4,074,568.40 is: 6,107,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,918.80 : 10,366,879.80 = 4,074,568.40 : x
  2. Step 2: Convert to fraction form
    6,915,918.80/10,366,879.80 = 4,074,568.40/x
  3. Step 3: Cross multiply
    6,915,918.80x = 10,366,879.80 × 4,074,568.40
  4. Step 4: Simplify right side
    6,915,918.80x = 42,240,560,839,678.32
  5. Step 5: Solve for x
    x = 42,240,560,839,678.32/6,915,918.80
  6. Step 6: Final answer
    x = 6,107,729.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.