Home / 20,157,742.80-30,236,614.20-11,056,323.60

Finding the Fourth Proportional to 20,157,742.80, 30,236,614.20 and 11,056,323.60

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Solution

The fourth proportional to 20,157,742.80, 30,236,614.20 and 11,056,323.60 is: 16,584,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,742.80 : 30,236,614.20 = 11,056,323.60 : x
  2. Step 2: Convert to fraction form
    20,157,742.80/30,236,614.20 = 11,056,323.60/x
  3. Step 3: Cross multiply
    20,157,742.80x = 30,236,614.20 × 11,056,323.60
  4. Step 4: Simplify right side
    20,157,742.80x = 334,305,791,163,555.12
  5. Step 5: Solve for x
    x = 334,305,791,163,555.12/20,157,742.80
  6. Step 6: Final answer
    x = 16,584,485.40

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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.