Home / 13,451,417.79-20,180,328.24-4,353,515.44

Finding the Fourth Proportional to 13,451,417.79, 20,180,328.24 and 4,353,515.44

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Solution

The fourth proportional to 13,451,417.79, 20,180,328.24 and 4,353,515.44 is: 6,531,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,417.79 : 20,180,328.24 = 4,353,515.44 : x
  2. Step 2: Convert to fraction form
    13,451,417.79/20,180,328.24 = 4,353,515.44/x
  3. Step 3: Cross multiply
    13,451,417.79x = 20,180,328.24 × 4,353,515.44
  4. Step 4: Simplify right side
    13,451,417.79x = 87,855,370,621,992.25
  5. Step 5: Solve for x
    x = 87,855,370,621,992.25/13,451,417.79
  6. Step 6: Final answer
    x = 6,531,309.34

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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.