Home / 19,212,796.35-28,668,291.80-18,040,174.65

Finding the Fourth Proportional to 19,212,796.35, 28,668,291.80 and 18,040,174.65

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Solution

The fourth proportional to 19,212,796.35, 28,668,291.80 and 18,040,174.65 is: 26,918,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212,796.35 : 28,668,291.80 = 18,040,174.65 : x
  2. Step 2: Convert to fraction form
    19,212,796.35/28,668,291.80 = 18,040,174.65/x
  3. Step 3: Cross multiply
    19,212,796.35x = 28,668,291.80 × 18,040,174.65
  4. Step 4: Simplify right side
    19,212,796.35x = 517,180,990,898,962
  5. Step 5: Solve for x
    x = 517,180,990,898,962/19,212,796.35
  6. Step 6: Final answer
    x = 26,918,569.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.