Home / 6,645,358.24-9,172,621.80-3,855,186.36

Finding the Fourth Proportional to 6,645,358.24, 9,172,621.80 and 3,855,186.36

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Solution

The fourth proportional to 6,645,358.24, 9,172,621.80 and 3,855,186.36 is: 5,321,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,358.24 : 9,172,621.80 = 3,855,186.36 : x
  2. Step 2: Convert to fraction form
    6,645,358.24/9,172,621.80 = 3,855,186.36/x
  3. Step 3: Cross multiply
    6,645,358.24x = 9,172,621.80 × 3,855,186.36
  4. Step 4: Simplify right side
    6,645,358.24x = 35,362,166,448,798.65
  5. Step 5: Solve for x
    x = 35,362,166,448,798.65/6,645,358.24
  6. Step 6: Final answer
    x = 5,321,333.35

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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.