Home / 6,659,638.47-9,190,301.10-3,603,852.72

Finding the Fourth Proportional to 6,659,638.47, 9,190,301.10 and 3,603,852.72

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Solution

The fourth proportional to 6,659,638.47, 9,190,301.10 and 3,603,852.72 is: 4,973,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,638.47 : 9,190,301.10 = 3,603,852.72 : x
  2. Step 2: Convert to fraction form
    6,659,638.47/9,190,301.10 = 3,603,852.72/x
  3. Step 3: Cross multiply
    6,659,638.47x = 9,190,301.10 × 3,603,852.72
  4. Step 4: Simplify right side
    6,659,638.47x = 33,120,491,616,853.99
  5. Step 5: Solve for x
    x = 33,120,491,616,853.99/6,659,638.47
  6. Step 6: Final answer
    x = 4,973,316.76

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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.