Finding the Fourth Proportional to 11,434,569.72, 15,779,737.08 and 6,278,265.24
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Solution
The fourth proportional to 11,434,569.72, 15,779,737.08 and 6,278,265.24 is: 8,664,022.98
Step by Step Solution
- Step 1: Write the proportion equation
11,434,569.72 : 15,779,737.08 = 6,278,265.24 : x - Step 2: Convert to fraction form
11,434,569.72/15,779,737.08 = 6,278,265.24/x - Step 3: Cross multiply
11,434,569.72x = 15,779,737.08 × 6,278,265.24 - Step 4: Simplify right side
11,434,569.72x = 99,069,374,805,703.11 - Step 5: Solve for x
x = 99,069,374,805,703.11/11,434,569.72 - Step 6: Final answer
x = 8,664,022.98
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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.