Finding the Fourth Proportional to 7,681,367.36, 11,525,149.32 and 3,418,620.08
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Solution
The fourth proportional to 7,681,367.36, 11,525,149.32 and 3,418,620.08 is: 5,129,309.02
Step by Step Solution
- Step 1: Write the proportion equation
7,681,367.36 : 11,525,149.32 = 3,418,620.08 : x - Step 2: Convert to fraction form
7,681,367.36/11,525,149.32 = 3,418,620.08/x - Step 3: Cross multiply
7,681,367.36x = 11,525,149.32 × 3,418,620.08 - Step 4: Simplify right side
7,681,367.36x = 39,400,106,890,350.34 - Step 5: Solve for x
x = 39,400,106,890,350.34/7,681,367.36 - Step 6: Final answer
x = 5,129,309.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.