Finding the Fourth Proportional to 7,158,807.09, 10,739,892.20 and 2,366,495.95
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Solution
The fourth proportional to 7,158,807.09, 10,739,892.20 and 2,366,495.95 is: 3,550,299.80
Step by Step Solution
- Step 1: Write the proportion equation
7,158,807.09 : 10,739,892.20 = 2,366,495.95 : x - Step 2: Convert to fraction form
7,158,807.09/10,739,892.20 = 2,366,495.95/x - Step 3: Cross multiply
7,158,807.09x = 10,739,892.20 × 2,366,495.95 - Step 4: Simplify right side
7,158,807.09x = 25,415,911,394,736.59 - Step 5: Solve for x
x = 25,415,911,394,736.59/7,158,807.09 - Step 6: Final answer
x = 3,550,299.80
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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.