Finding the Fourth Proportional to 14,042,695, 19,378,990.74 and 7,847,845.12
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Solution
The fourth proportional to 14,042,695, 19,378,990.74 and 7,847,845.12 is: 10,830,066.30
Step by Step Solution
- Step 1: Write the proportion equation
14,042,695 : 19,378,990.74 = 7,847,845.12 : x - Step 2: Convert to fraction form
14,042,695/19,378,990.74 = 7,847,845.12/x - Step 3: Cross multiply
14,042,695x = 19,378,990.74 × 7,847,845.12 - Step 4: Simplify right side
14,042,695x = 152,083,317,909,434.19 - Step 5: Solve for x
x = 152,083,317,909,434.19/14,042,695 - Step 6: Final answer
x = 10,830,066.30
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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.