Home / 8,143,542.37-12,215,303.23-2,078,274.22

Finding the Fourth Proportional to 8,143,542.37, 12,215,303.23 and 2,078,274.22

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Solution

The fourth proportional to 8,143,542.37, 12,215,303.23 and 2,078,274.22 is: 3,117,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,542.37 : 12,215,303.23 = 2,078,274.22 : x
  2. Step 2: Convert to fraction form
    8,143,542.37/12,215,303.23 = 2,078,274.22/x
  3. Step 3: Cross multiply
    8,143,542.37x = 12,215,303.23 × 2,078,274.22
  4. Step 4: Simplify right side
    8,143,542.37x = 25,386,749,768,964.69
  5. Step 5: Solve for x
    x = 25,386,749,768,964.69/8,143,542.37
  6. Step 6: Final answer
    x = 3,117,408.69

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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.