Home / 9,288,954.90-12,819,390.21-5,159,458.26

Finding the Fourth Proportional to 9,288,954.90, 12,819,390.21 and 5,159,458.26

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Solution

The fourth proportional to 9,288,954.90, 12,819,390.21 and 5,159,458.26 is: 7,120,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,954.90 : 12,819,390.21 = 5,159,458.26 : x
  2. Step 2: Convert to fraction form
    9,288,954.90/12,819,390.21 = 5,159,458.26/x
  3. Step 3: Cross multiply
    9,288,954.90x = 12,819,390.21 × 5,159,458.26
  4. Step 4: Simplify right side
    9,288,954.90x = 66,141,108,707,147.63
  5. Step 5: Solve for x
    x = 66,141,108,707,147.63/9,288,954.90
  6. Step 6: Final answer
    x = 7,120,403.69

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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.