Home / 12,307,777.20-18,461,665.80-8,276,698.80

Finding the Fourth Proportional to 12,307,777.20, 18,461,665.80 and 8,276,698.80

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Solution

The fourth proportional to 12,307,777.20, 18,461,665.80 and 8,276,698.80 is: 12,415,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,777.20 : 18,461,665.80 = 8,276,698.80 : x
  2. Step 2: Convert to fraction form
    12,307,777.20/18,461,665.80 = 8,276,698.80/x
  3. Step 3: Cross multiply
    12,307,777.20x = 18,461,665.80 × 8,276,698.80
  4. Step 4: Simplify right side
    12,307,777.20x = 152,801,647,172,861.03
  5. Step 5: Solve for x
    x = 152,801,647,172,861.03/12,307,777.20
  6. Step 6: Final answer
    x = 12,415,048.20

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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.