Home / 6,388,360.65-8,819,917.07-4,066,563.69

Finding the Fourth Proportional to 6,388,360.65, 8,819,917.07 and 4,066,563.69

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Solution

The fourth proportional to 6,388,360.65, 8,819,917.07 and 4,066,563.69 is: 5,614,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,360.65 : 8,819,917.07 = 4,066,563.69 : x
  2. Step 2: Convert to fraction form
    6,388,360.65/8,819,917.07 = 4,066,563.69/x
  3. Step 3: Cross multiply
    6,388,360.65x = 8,819,917.07 × 4,066,563.69
  4. Step 4: Simplify right side
    6,388,360.65x = 35,866,754,485,340.37
  5. Step 5: Solve for x
    x = 35,866,754,485,340.37/6,388,360.65
  6. Step 6: Final answer
    x = 5,614,390.99

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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.