Finding the Fourth Proportional to 11,455,713.74, 15,809,452.44 and 7,106,201.48
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Solution
The fourth proportional to 11,455,713.74, 15,809,452.44 and 7,106,201.48 is: 9,806,910.06
Step by Step Solution
- Step 1: Write the proportion equation
11,455,713.74 : 15,809,452.44 = 7,106,201.48 : x - Step 2: Convert to fraction form
11,455,713.74/15,809,452.44 = 7,106,201.48/x - Step 3: Cross multiply
11,455,713.74x = 15,809,452.44 × 7,106,201.48 - Step 4: Simplify right side
11,455,713.74x = 112,345,154,327,117.61 - Step 5: Solve for x
x = 112,345,154,327,117.61/11,455,713.74 - Step 6: Final answer
x = 9,806,910.06
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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.