Home / 20,841,081.96-28,750,112.24-14,220,704.90

Finding the Fourth Proportional to 20,841,081.96, 28,750,112.24 and 14,220,704.90

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Solution

The fourth proportional to 20,841,081.96, 28,750,112.24 and 14,220,704.90 is: 19,617,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,081.96 : 28,750,112.24 = 14,220,704.90 : x
  2. Step 2: Convert to fraction form
    20,841,081.96/28,750,112.24 = 14,220,704.90/x
  3. Step 3: Cross multiply
    20,841,081.96x = 28,750,112.24 × 14,220,704.90
  4. Step 4: Simplify right side
    20,841,081.96x = 408,846,862,006,917.94
  5. Step 5: Solve for x
    x = 408,846,862,006,917.94/20,841,081.96
  6. Step 6: Final answer
    x = 19,617,353.01

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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.