Home / 28,400,879.45-42,557,965.27-16,863,626.63

Finding the Fourth Proportional to 28,400,879.45, 42,557,965.27 and 16,863,626.63

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Solution

The fourth proportional to 28,400,879.45, 42,557,965.27 and 16,863,626.63 is: 25,269,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,879.45 : 42,557,965.27 = 16,863,626.63 : x
  2. Step 2: Convert to fraction form
    28,400,879.45/42,557,965.27 = 16,863,626.63/x
  3. Step 3: Cross multiply
    28,400,879.45x = 42,557,965.27 × 16,863,626.63
  4. Step 4: Simplify right side
    28,400,879.45x = 717,681,636,445,787.12
  5. Step 5: Solve for x
    x = 717,681,636,445,787.12/28,400,879.45
  6. Step 6: Final answer
    x = 25,269,697.64

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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.