Home / 12,291,941.60-18,437,912.40-9,753,855.20

Finding the Fourth Proportional to 12,291,941.60, 18,437,912.40 and 9,753,855.20

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Solution

The fourth proportional to 12,291,941.60, 18,437,912.40 and 9,753,855.20 is: 14,630,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,941.60 : 18,437,912.40 = 9,753,855.20 : x
  2. Step 2: Convert to fraction form
    12,291,941.60/18,437,912.40 = 9,753,855.20/x
  3. Step 3: Cross multiply
    12,291,941.60x = 18,437,912.40 × 9,753,855.20
  4. Step 4: Simplify right side
    12,291,941.60x = 179,840,727,739,884.44
  5. Step 5: Solve for x
    x = 179,840,727,739,884.44/12,291,941.60
  6. Step 6: Final answer
    x = 14,630,782.80

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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.