Home / 18,879,340.55-28,319,174.71-6,099,846.62

Finding the Fourth Proportional to 18,879,340.55, 28,319,174.71 and 6,099,846.62

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Solution

The fourth proportional to 18,879,340.55, 28,319,174.71 and 6,099,846.62 is: 9,149,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879,340.55 : 28,319,174.71 = 6,099,846.62 : x
  2. Step 2: Convert to fraction form
    18,879,340.55/28,319,174.71 = 6,099,846.62/x
  3. Step 3: Cross multiply
    18,879,340.55x = 28,319,174.71 × 6,099,846.62
  4. Step 4: Simplify right side
    18,879,340.55x = 172,742,621,979,137.50
  5. Step 5: Solve for x
    x = 172,742,621,979,137.50/18,879,340.55
  6. Step 6: Final answer
    x = 9,149,822.87

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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.