Home / 19,083,412.05-28,624,986.72-7,723,696.65

Finding the Fourth Proportional to 19,083,412.05, 28,624,986.72 and 7,723,696.65

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Solution

The fourth proportional to 19,083,412.05, 28,624,986.72 and 7,723,696.65 is: 11,585,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083,412.05 : 28,624,986.72 = 7,723,696.65 : x
  2. Step 2: Convert to fraction form
    19,083,412.05/28,624,986.72 = 7,723,696.65/x
  3. Step 3: Cross multiply
    19,083,412.05x = 28,624,986.72 × 7,723,696.65
  4. Step 4: Simplify right side
    19,083,412.05x = 221,090,714,035,558.50
  5. Step 5: Solve for x
    x = 221,090,714,035,558.50/19,083,412.05
  6. Step 6: Final answer
    x = 11,585,491.81

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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.