Home / 15,043,558.48-20,760,193.66-8,168,040.74

Finding the Fourth Proportional to 15,043,558.48, 20,760,193.66 and 8,168,040.74

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Solution

The fourth proportional to 15,043,558.48, 20,760,193.66 and 8,168,040.74 is: 11,271,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043,558.48 : 20,760,193.66 = 8,168,040.74 : x
  2. Step 2: Convert to fraction form
    15,043,558.48/20,760,193.66 = 8,168,040.74/x
  3. Step 3: Cross multiply
    15,043,558.48x = 20,760,193.66 × 8,168,040.74
  4. Step 4: Simplify right side
    15,043,558.48x = 169,570,107,585,169.72
  5. Step 5: Solve for x
    x = 169,570,107,585,169.72/15,043,558.48
  6. Step 6: Final answer
    x = 11,271,941.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.