Home / 19,154,015.40-28,741,520.70-7,802,610.60

Finding the Fourth Proportional to 19,154,015.40, 28,741,520.70 and 7,802,610.60

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Solution

The fourth proportional to 19,154,015.40, 28,741,520.70 and 7,802,610.60 is: 11,708,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154,015.40 : 28,741,520.70 = 7,802,610.60 : x
  2. Step 2: Convert to fraction form
    19,154,015.40/28,741,520.70 = 7,802,610.60/x
  3. Step 3: Cross multiply
    19,154,015.40x = 28,741,520.70 × 7,802,610.60
  4. Step 4: Simplify right side
    19,154,015.40x = 224,258,894,073,939.41
  5. Step 5: Solve for x
    x = 224,258,894,073,939.41/19,154,015.40
  6. Step 6: Final answer
    x = 11,708,192.22

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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.