Finding the Fourth Proportional to 11,943,955.44, 16,481,902.68 and 7,875,085.68
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Solution
The fourth proportional to 11,943,955.44, 16,481,902.68 and 7,875,085.68 is: 10,867,119.89
Step by Step Solution
- Step 1: Write the proportion equation
11,943,955.44 : 16,481,902.68 = 7,875,085.68 : x - Step 2: Convert to fraction form
11,943,955.44/16,481,902.68 = 7,875,085.68/x - Step 3: Cross multiply
11,943,955.44x = 16,481,902.68 × 7,875,085.68 - Step 4: Simplify right side
11,943,955.44x = 129,796,395,774,421.61 - Step 5: Solve for x
x = 129,796,395,774,421.61/11,943,955.44 - Step 6: Final answer
x = 10,867,119.89
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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.