Home / 19,111,010.40-28,666,515.60-5,647,838.40

Finding the Fourth Proportional to 19,111,010.40, 28,666,515.60 and 5,647,838.40

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Solution

The fourth proportional to 19,111,010.40, 28,666,515.60 and 5,647,838.40 is: 8,471,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111,010.40 : 28,666,515.60 = 5,647,838.40 : x
  2. Step 2: Convert to fraction form
    19,111,010.40/28,666,515.60 = 5,647,838.40/x
  3. Step 3: Cross multiply
    19,111,010.40x = 28,666,515.60 × 5,647,838.40
  4. Step 4: Simplify right side
    19,111,010.40x = 161,903,847,599,879.06
  5. Step 5: Solve for x
    x = 161,903,847,599,879.06/19,111,010.40
  6. Step 6: Final answer
    x = 8,471,757.60

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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.