Finding the Fourth Proportional to 14,389,866.96, 19,860,041.88 and 9,161,204.91
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Solution
The fourth proportional to 14,389,866.96, 19,860,041.88 and 9,161,204.91 is: 12,643,752.28
Step by Step Solution
- Step 1: Write the proportion equation
14,389,866.96 : 19,860,041.88 = 9,161,204.91 : x - Step 2: Convert to fraction form
14,389,866.96/19,860,041.88 = 9,161,204.91/x - Step 3: Cross multiply
14,389,866.96x = 19,860,041.88 × 9,161,204.91 - Step 4: Simplify right side
14,389,866.96x = 181,941,913,183,861.62 - Step 5: Solve for x
x = 181,941,913,183,861.62/14,389,866.96 - Step 6: Final answer
x = 12,643,752.28
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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.