Home / 36,289,618.80-54,434,428.20-12,355,090.80

Finding the Fourth Proportional to 36,289,618.80, 54,434,428.20 and 12,355,090.80

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Solution

The fourth proportional to 36,289,618.80, 54,434,428.20 and 12,355,090.80 is: 18,532,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289,618.80 : 54,434,428.20 = 12,355,090.80 : x
  2. Step 2: Convert to fraction form
    36,289,618.80/54,434,428.20 = 12,355,090.80/x
  3. Step 3: Cross multiply
    36,289,618.80x = 54,434,428.20 × 12,355,090.80
  4. Step 4: Simplify right side
    36,289,618.80x = 672,542,303,057,080.62
  5. Step 5: Solve for x
    x = 672,542,303,057,080.62/36,289,618.80
  6. Step 6: Final answer
    x = 18,532,636.20

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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.