Finding the Fourth Proportional to 19,362,928.29, 29,026,349.67 and 6,574,688.79
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Solution
The fourth proportional to 19,362,928.29, 29,026,349.67 and 6,574,688.79 is: 9,855,906.76
Step by Step Solution
- Step 1: Write the proportion equation
19,362,928.29 : 29,026,349.67 = 6,574,688.79 : x - Step 2: Convert to fraction form
19,362,928.29/29,026,349.67 = 6,574,688.79/x - Step 3: Cross multiply
19,362,928.29x = 29,026,349.67 × 6,574,688.79 - Step 4: Simplify right side
19,362,928.29x = 190,839,215,789,969.22 - Step 5: Solve for x
x = 190,839,215,789,969.22/19,362,928.29 - Step 6: Final answer
x = 9,855,906.76
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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.