Home / 15,433,450.97-21,296,627.78-8,909,182.31

Finding the Fourth Proportional to 15,433,450.97, 21,296,627.78 and 8,909,182.31

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Solution

The fourth proportional to 15,433,450.97, 21,296,627.78 and 8,909,182.31 is: 12,293,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,450.97 : 21,296,627.78 = 8,909,182.31 : x
  2. Step 2: Convert to fraction form
    15,433,450.97/21,296,627.78 = 8,909,182.31/x
  3. Step 3: Cross multiply
    15,433,450.97x = 21,296,627.78 × 8,909,182.31
  4. Step 4: Simplify right side
    15,433,450.97x = 189,735,539,329,201.50
  5. Step 5: Solve for x
    x = 189,735,539,329,201.50/15,433,450.97
  6. Step 6: Final answer
    x = 12,293,785.74

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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.