Finding the Fourth Proportional to 7,486,409.21, 11,231,603.24 and 2,368,930.05
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Solution
The fourth proportional to 7,486,409.21, 11,231,603.24 and 2,368,930.05 is: 3,554,024.59
Step by Step Solution
- Step 1: Write the proportion equation
7,486,409.21 : 11,231,603.24 = 2,368,930.05 : x - Step 2: Convert to fraction form
7,486,409.21/11,231,603.24 = 2,368,930.05/x - Step 3: Cross multiply
7,486,409.21x = 11,231,603.24 × 2,368,930.05 - Step 4: Simplify right side
7,486,409.21x = 26,606,882,413,068.71 - Step 5: Solve for x
x = 26,606,882,413,068.71/7,486,409.21 - Step 6: Final answer
x = 3,554,024.59
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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.