Finding the Fourth Proportional to 7,983,603.56, 11,017,376.96 and 4,312,519.94
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Solution
The fourth proportional to 7,983,603.56, 11,017,376.96 and 4,312,519.94 is: 5,951,279.70
Step by Step Solution
- Step 1: Write the proportion equation
7,983,603.56 : 11,017,376.96 = 4,312,519.94 : x - Step 2: Convert to fraction form
7,983,603.56/11,017,376.96 = 4,312,519.94/x - Step 3: Cross multiply
7,983,603.56x = 11,017,376.96 × 4,312,519.94 - Step 4: Simplify right side
7,983,603.56x = 47,512,657,804,933.98 - Step 5: Solve for x
x = 47,512,657,804,933.98/7,983,603.56 - Step 6: Final answer
x = 5,951,279.70
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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.