Home / 13,353,609.80-20,030,414.70-12,184,439.60

Finding the Fourth Proportional to 13,353,609.80, 20,030,414.70 and 12,184,439.60

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Solution

The fourth proportional to 13,353,609.80, 20,030,414.70 and 12,184,439.60 is: 18,276,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,609.80 : 20,030,414.70 = 12,184,439.60 : x
  2. Step 2: Convert to fraction form
    13,353,609.80/20,030,414.70 = 12,184,439.60/x
  3. Step 3: Cross multiply
    13,353,609.80x = 20,030,414.70 × 12,184,439.60
  4. Step 4: Simplify right side
    13,353,609.80x = 244,059,378,075,102.09
  5. Step 5: Solve for x
    x = 244,059,378,075,102.09/13,353,609.80
  6. Step 6: Final answer
    x = 18,276,659.40

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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.