Home / 13,854,761.39-19,119,005.87-7,659,413.79

Finding the Fourth Proportional to 13,854,761.39, 19,119,005.87 and 7,659,413.79

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Solution

The fourth proportional to 13,854,761.39, 19,119,005.87 and 7,659,413.79 is: 10,569,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,761.39 : 19,119,005.87 = 7,659,413.79 : x
  2. Step 2: Convert to fraction form
    13,854,761.39/19,119,005.87 = 7,659,413.79/x
  3. Step 3: Cross multiply
    13,854,761.39x = 19,119,005.87 × 7,659,413.79
  4. Step 4: Simplify right side
    13,854,761.39x = 146,440,377,173,471.88
  5. Step 5: Solve for x
    x = 146,440,377,173,471.88/13,854,761.39
  6. Step 6: Final answer
    x = 10,569,678.76

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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.