Home / 13,918,584.86-19,208,087.55-8,038,112.68

Finding the Fourth Proportional to 13,918,584.86, 19,208,087.55 and 8,038,112.68

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Solution

The fourth proportional to 13,918,584.86, 19,208,087.55 and 8,038,112.68 is: 11,092,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918,584.86 : 19,208,087.55 = 8,038,112.68 : x
  2. Step 2: Convert to fraction form
    13,918,584.86/19,208,087.55 = 8,038,112.68/x
  3. Step 3: Cross multiply
    13,918,584.86x = 19,208,087.55 × 8,038,112.68
  4. Step 4: Simplify right side
    13,918,584.86x = 154,396,772,010,169.75
  5. Step 5: Solve for x
    x = 154,396,772,010,169.75/13,918,584.86
  6. Step 6: Final answer
    x = 11,092,849.85

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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.