Home / 12,100,477.20-18,150,715.80-8,699,254.80

Finding the Fourth Proportional to 12,100,477.20, 18,150,715.80 and 8,699,254.80

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Solution

The fourth proportional to 12,100,477.20, 18,150,715.80 and 8,699,254.80 is: 13,048,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100,477.20 : 18,150,715.80 = 8,699,254.80 : x
  2. Step 2: Convert to fraction form
    12,100,477.20/18,150,715.80 = 8,699,254.80/x
  3. Step 3: Cross multiply
    12,100,477.20x = 18,150,715.80 × 8,699,254.80
  4. Step 4: Simplify right side
    12,100,477.20x = 157,897,701,546,585.88
  5. Step 5: Solve for x
    x = 157,897,701,546,585.88/12,100,477.20
  6. Step 6: Final answer
    x = 13,048,882.20

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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.