Finding the Fourth Proportional to 19,462,474.62, 29,184,725.94 and 7,163,348.55
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Solution
The fourth proportional to 19,462,474.62, 29,184,725.94 and 7,163,348.55 is: 10,741,715.45
Step by Step Solution
- Step 1: Write the proportion equation
19,462,474.62 : 29,184,725.94 = 7,163,348.55 : x - Step 2: Convert to fraction form
19,462,474.62/29,184,725.94 = 7,163,348.55/x - Step 3: Cross multiply
19,462,474.62x = 29,184,725.94 × 7,163,348.55 - Step 4: Simplify right side
19,462,474.62x = 209,060,364,327,026.56 - Step 5: Solve for x
x = 209,060,364,327,026.56/19,462,474.62 - Step 6: Final answer
x = 10,741,715.45
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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.