Finding the Fourth Proportional to 11,722,455.63, 16,184,888.28 and 7,318,892.79
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Solution
The fourth proportional to 11,722,455.63, 16,184,888.28 and 7,318,892.79 is: 10,105,004.09
Step by Step Solution
- Step 1: Write the proportion equation
11,722,455.63 : 16,184,888.28 = 7,318,892.79 : x - Step 2: Convert to fraction form
11,722,455.63/16,184,888.28 = 7,318,892.79/x - Step 3: Cross multiply
11,722,455.63x = 16,184,888.28 × 7,318,892.79 - Step 4: Simplify right side
11,722,455.63x = 118,455,462,139,447.50 - Step 5: Solve for x
x = 118,455,462,139,447.50/11,722,455.63 - Step 6: Final answer
x = 10,105,004.09
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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.