Home / 19,120,933.41-28,681,364.27-5,991,356.47

Finding the Fourth Proportional to 19,120,933.41, 28,681,364.27 and 5,991,356.47

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Solution

The fourth proportional to 19,120,933.41, 28,681,364.27 and 5,991,356.47 is: 8,987,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,933.41 : 28,681,364.27 = 5,991,356.47 : x
  2. Step 2: Convert to fraction form
    19,120,933.41/28,681,364.27 = 5,991,356.47/x
  3. Step 3: Cross multiply
    19,120,933.41x = 28,681,364.27 × 5,991,356.47
  4. Step 4: Simplify right side
    19,120,933.41x = 171,840,277,350,842.50
  5. Step 5: Solve for x
    x = 171,840,277,350,842.50/19,120,933.41
  6. Step 6: Final answer
    x = 8,987,023.47

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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.