Home / 20,619,826.24-28,454,573.28-11,453,056.96

Finding the Fourth Proportional to 20,619,826.24, 28,454,573.28 and 11,453,056.96

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Solution

The fourth proportional to 20,619,826.24, 28,454,573.28 and 11,453,056.96 is: 15,804,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619,826.24 : 28,454,573.28 = 11,453,056.96 : x
  2. Step 2: Convert to fraction form
    20,619,826.24/28,454,573.28 = 11,453,056.96/x
  3. Step 3: Cross multiply
    20,619,826.24x = 28,454,573.28 × 11,453,056.96
  4. Step 4: Simplify right side
    20,619,826.24x = 325,891,848,548,334.06
  5. Step 5: Solve for x
    x = 325,891,848,548,334.06/20,619,826.24
  6. Step 6: Final answer
    x = 15,804,781.51

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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.