Home / 9,089,418.21-12,550,766.49-8,678,437.17

Finding the Fourth Proportional to 9,089,418.21, 12,550,766.49 and 8,678,437.17

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Solution

The fourth proportional to 9,089,418.21, 12,550,766.49 and 8,678,437.17 is: 11,983,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089,418.21 : 12,550,766.49 = 8,678,437.17 : x
  2. Step 2: Convert to fraction form
    9,089,418.21/12,550,766.49 = 8,678,437.17/x
  3. Step 3: Cross multiply
    9,089,418.21x = 12,550,766.49 × 8,678,437.17
  4. Step 4: Simplify right side
    9,089,418.21x = 108,921,038,418,806.44
  5. Step 5: Solve for x
    x = 108,921,038,418,806.44/9,089,418.21
  6. Step 6: Final answer
    x = 11,983,279.45

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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.