Home / 13,112,062.80-19,668,094.20-8,066,216.40

Finding the Fourth Proportional to 13,112,062.80, 19,668,094.20 and 8,066,216.40

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Solution

The fourth proportional to 13,112,062.80, 19,668,094.20 and 8,066,216.40 is: 12,099,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,062.80 : 19,668,094.20 = 8,066,216.40 : x
  2. Step 2: Convert to fraction form
    13,112,062.80/19,668,094.20 = 8,066,216.40/x
  3. Step 3: Cross multiply
    13,112,062.80x = 19,668,094.20 × 8,066,216.40
  4. Step 4: Simplify right side
    13,112,062.80x = 158,647,103,992,784.88
  5. Step 5: Solve for x
    x = 158,647,103,992,784.88/13,112,062.80
  6. Step 6: Final answer
    x = 12,099,324.60

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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.