Home / 30,311,704.80-45,467,557.20-18,218,469.60

Finding the Fourth Proportional to 30,311,704.80, 45,467,557.20 and 18,218,469.60

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Solution

The fourth proportional to 30,311,704.80, 45,467,557.20 and 18,218,469.60 is: 27,327,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311,704.80 : 45,467,557.20 = 18,218,469.60 : x
  2. Step 2: Convert to fraction form
    30,311,704.80/45,467,557.20 = 18,218,469.60/x
  3. Step 3: Cross multiply
    30,311,704.80x = 45,467,557.20 × 18,218,469.60
  4. Step 4: Simplify right side
    30,311,704.80x = 828,349,308,634,461.25
  5. Step 5: Solve for x
    x = 828,349,308,634,461.25/30,311,704.80
  6. Step 6: Final answer
    x = 27,327,704.40

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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.