Finding the Fourth Proportional to 19,163,569.43, 26,446,126.05 and 10,462,108.79
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Solution
The fourth proportional to 19,163,569.43, 26,446,126.05 and 10,462,108.79 is: 14,437,928.63
Step by Step Solution
- Step 1: Write the proportion equation
19,163,569.43 : 26,446,126.05 = 10,462,108.79 : x - Step 2: Convert to fraction form
19,163,569.43/26,446,126.05 = 10,462,108.79/x - Step 3: Cross multiply
19,163,569.43x = 26,446,126.05 × 10,462,108.79 - Step 4: Simplify right side
19,163,569.43x = 276,682,247,676,922.38 - Step 5: Solve for x
x = 276,682,247,676,922.38/19,163,569.43 - Step 6: Final answer
x = 14,437,928.63
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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.