Finding the Fourth Proportional to 14,379,560.08, 19,843,815.11 and 8,184,606.72
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Solution
The fourth proportional to 14,379,560.08, 19,843,815.11 and 8,184,606.72 is: 11,294,769.91
Step by Step Solution
- Step 1: Write the proportion equation
14,379,560.08 : 19,843,815.11 = 8,184,606.72 : x - Step 2: Convert to fraction form
14,379,560.08/19,843,815.11 = 8,184,606.72/x - Step 3: Cross multiply
14,379,560.08x = 19,843,815.11 × 8,184,606.72 - Step 4: Simplify right side
14,379,560.08x = 162,413,822,541,199.31 - Step 5: Solve for x
x = 162,413,822,541,199.31/14,379,560.08 - Step 6: Final answer
x = 11,294,769.91
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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.