Home / 14,090,620.79-21,129,269.33-5,458,765.07

Finding the Fourth Proportional to 14,090,620.79, 21,129,269.33 and 5,458,765.07

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Solution

The fourth proportional to 14,090,620.79, 21,129,269.33 and 5,458,765.07 is: 8,185,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090,620.79 : 21,129,269.33 = 5,458,765.07 : x
  2. Step 2: Convert to fraction form
    14,090,620.79/21,129,269.33 = 5,458,765.07/x
  3. Step 3: Cross multiply
    14,090,620.79x = 21,129,269.33 × 5,458,765.07
  4. Step 4: Simplify right side
    14,090,620.79x = 115,339,717,240,286.14
  5. Step 5: Solve for x
    x = 115,339,717,240,286.14/14,090,620.79
  6. Step 6: Final answer
    x = 8,185,566.77

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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.