Home / 12,420,255.44-18,630,381.72-3,444,807.44

Finding the Fourth Proportional to 12,420,255.44, 18,630,381.72 and 3,444,807.44

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Solution

The fourth proportional to 12,420,255.44, 18,630,381.72 and 3,444,807.44 is: 5,167,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,255.44 : 18,630,381.72 = 3,444,807.44 : x
  2. Step 2: Convert to fraction form
    12,420,255.44/18,630,381.72 = 3,444,807.44/x
  3. Step 3: Cross multiply
    12,420,255.44x = 18,630,381.72 × 3,444,807.44
  4. Step 4: Simplify right side
    12,420,255.44x = 64,178,077,559,095.99
  5. Step 5: Solve for x
    x = 64,178,077,559,095.99/12,420,255.44
  6. Step 6: Final answer
    x = 5,167,210.76

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1.5x scale

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.