Finding the Fourth Proportional to 16,362,117.99, 22,579,791.20 and 9,019,790.02
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Solution
The fourth proportional to 16,362,117.99, 22,579,791.20 and 9,019,790.02 is: 12,447,347.92
Step by Step Solution
- Step 1: Write the proportion equation
16,362,117.99 : 22,579,791.20 = 9,019,790.02 : x - Step 2: Convert to fraction form
16,362,117.99/22,579,791.20 = 9,019,790.02/x - Step 3: Cross multiply
16,362,117.99x = 22,579,791.20 × 9,019,790.02 - Step 4: Simplify right side
16,362,117.99x = 203,664,975,319,443.81 - Step 5: Solve for x
x = 203,664,975,319,443.81/16,362,117.99 - Step 6: Final answer
x = 12,447,347.92
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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.