Finding the Fourth Proportional to 16,161,403.44, 22,303,210.83 and 8,819,710.68
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Solution
The fourth proportional to 16,161,403.44, 22,303,210.83 and 8,819,710.68 is: 12,171,459.46
Step by Step Solution
- Step 1: Write the proportion equation
16,161,403.44 : 22,303,210.83 = 8,819,710.68 : x - Step 2: Convert to fraction form
16,161,403.44/22,303,210.83 = 8,819,710.68/x - Step 3: Cross multiply
16,161,403.44x = 22,303,210.83 × 8,819,710.68 - Step 4: Simplify right side
16,161,403.44x = 196,707,866,755,642.66 - Step 5: Solve for x
x = 196,707,866,755,642.66/16,161,403.44 - Step 6: Final answer
x = 12,171,459.46
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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.