Home / 7,219,190.22-10,828,244.05-2,101,659.43

Finding the Fourth Proportional to 7,219,190.22, 10,828,244.05 and 2,101,659.43

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Solution

The fourth proportional to 7,219,190.22, 10,828,244.05 and 2,101,659.43 is: 3,152,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,190.22 : 10,828,244.05 = 2,101,659.43 : x
  2. Step 2: Convert to fraction form
    7,219,190.22/10,828,244.05 = 2,101,659.43/x
  3. Step 3: Cross multiply
    7,219,190.22x = 10,828,244.05 × 2,101,659.43
  4. Step 4: Simplify right side
    7,219,190.22x = 22,757,281,218,023.89
  5. Step 5: Solve for x
    x = 22,757,281,218,023.89/7,219,190.22
  6. Step 6: Final answer
    x = 3,152,331.57

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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.