Home / 11,378,858.60-17,068,287.90-11,189,901.80

Finding the Fourth Proportional to 11,378,858.60, 17,068,287.90 and 11,189,901.80

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Solution

The fourth proportional to 11,378,858.60, 17,068,287.90 and 11,189,901.80 is: 16,784,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378,858.60 : 17,068,287.90 = 11,189,901.80 : x
  2. Step 2: Convert to fraction form
    11,378,858.60/17,068,287.90 = 11,189,901.80/x
  3. Step 3: Cross multiply
    11,378,858.60x = 17,068,287.90 × 11,189,901.80
  4. Step 4: Simplify right side
    11,378,858.60x = 190,992,465,495,128.22
  5. Step 5: Solve for x
    x = 190,992,465,495,128.22/11,378,858.60
  6. Step 6: Final answer
    x = 16,784,852.70

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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.