Home / 19,162,987.56-28,749,011.62-6,209,116.52

Finding the Fourth Proportional to 19,162,987.56, 28,749,011.62 and 6,209,116.52

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Solution

The fourth proportional to 19,162,987.56, 28,749,011.62 and 6,209,116.52 is: 9,315,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,987.56 : 28,749,011.62 = 6,209,116.52 : x
  2. Step 2: Convert to fraction form
    19,162,987.56/28,749,011.62 = 6,209,116.52/x
  3. Step 3: Cross multiply
    19,162,987.56x = 28,749,011.62 × 6,209,116.52
  4. Step 4: Simplify right side
    19,162,987.56x = 178,505,962,983,413.97
  5. Step 5: Solve for x
    x = 178,505,962,983,413.97/19,162,987.56
  6. Step 6: Final answer
    x = 9,315,142.66

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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.