Home / 8,630,174.40-12,946,816.80-3,581,995.20

Finding the Fourth Proportional to 8,630,174.40, 12,946,816.80 and 3,581,995.20

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Solution

The fourth proportional to 8,630,174.40, 12,946,816.80 and 3,581,995.20 is: 5,373,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630,174.40 : 12,946,816.80 = 3,581,995.20 : x
  2. Step 2: Convert to fraction form
    8,630,174.40/12,946,816.80 = 3,581,995.20/x
  3. Step 3: Cross multiply
    8,630,174.40x = 12,946,816.80 × 3,581,995.20
  4. Step 4: Simplify right side
    8,630,174.40x = 46,375,435,632,879.37
  5. Step 5: Solve for x
    x = 46,375,435,632,879.37/8,630,174.40
  6. Step 6: Final answer
    x = 5,373,638.29

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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.