Home / 8,309,308.62-11,466,802.35-4,638,012.78

Finding the Fourth Proportional to 8,309,308.62, 11,466,802.35 and 4,638,012.78

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Solution

The fourth proportional to 8,309,308.62, 11,466,802.35 and 4,638,012.78 is: 6,400,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,308.62 : 11,466,802.35 = 4,638,012.78 : x
  2. Step 2: Convert to fraction form
    8,309,308.62/11,466,802.35 = 4,638,012.78/x
  3. Step 3: Cross multiply
    8,309,308.62x = 11,466,802.35 × 4,638,012.78
  4. Step 4: Simplify right side
    8,309,308.62x = 53,183,175,845,034.03
  5. Step 5: Solve for x
    x = 53,183,175,845,034.03/8,309,308.62
  6. Step 6: Final answer
    x = 6,400,433.33

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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.