Finding the Fourth Proportional to 11,916,055.16, 16,443,671.91 and 6,759,305.99
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Solution
The fourth proportional to 11,916,055.16, 16,443,671.91 and 6,759,305.99 is: 9,327,567.60
Step by Step Solution
- Step 1: Write the proportion equation
11,916,055.16 : 16,443,671.91 = 6,759,305.99 : x - Step 2: Convert to fraction form
11,916,055.16/16,443,671.91 = 6,759,305.99/x - Step 3: Cross multiply
11,916,055.16x = 16,443,671.91 × 6,759,305.99 - Step 4: Simplify right side
11,916,055.16x = 111,147,809,956,639.39 - Step 5: Solve for x
x = 111,147,809,956,639.39/11,916,055.16 - Step 6: Final answer
x = 9,327,567.60
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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.