Home / 11,146,698.80-16,720,048.20-9,446,087.60

Finding the Fourth Proportional to 11,146,698.80, 16,720,048.20 and 9,446,087.60

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Solution

The fourth proportional to 11,146,698.80, 16,720,048.20 and 9,446,087.60 is: 14,169,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,698.80 : 16,720,048.20 = 9,446,087.60 : x
  2. Step 2: Convert to fraction form
    11,146,698.80/16,720,048.20 = 9,446,087.60/x
  3. Step 3: Cross multiply
    11,146,698.80x = 16,720,048.20 × 9,446,087.60
  4. Step 4: Simplify right side
    11,146,698.80x = 157,939,039,973,422.31
  5. Step 5: Solve for x
    x = 157,939,039,973,422.31/11,146,698.80
  6. Step 6: Final answer
    x = 14,169,131.40

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Similar ratio
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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.