Finding the Fourth Proportional to 28,135,339.56, 42,202,222.02 and 8,967,246.84
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Solution
The fourth proportional to 28,135,339.56, 42,202,222.02 and 8,967,246.84 is: 13,450,619.33
Step by Step Solution
- Step 1: Write the proportion equation
28,135,339.56 : 42,202,222.02 = 8,967,246.84 : x - Step 2: Convert to fraction form
28,135,339.56/42,202,222.02 = 8,967,246.84/x - Step 3: Cross multiply
28,135,339.56x = 42,202,222.02 × 8,967,246.84 - Step 4: Simplify right side
28,135,339.56x = 378,437,742,004,987.19 - Step 5: Solve for x
x = 378,437,742,004,987.19/28,135,339.56 - Step 6: Final answer
x = 13,450,619.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.