Finding the Fourth Proportional to 37,218,863.36, 55,828,277.76 and 11,661,881.60
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Solution
The fourth proportional to 37,218,863.36, 55,828,277.76 and 11,661,881.60 is: 17,492,816.99
Step by Step Solution
- Step 1: Write the proportion equation
37,218,863.36 : 55,828,277.76 = 11,661,881.60 : x - Step 2: Convert to fraction form
37,218,863.36/55,828,277.76 = 11,661,881.60/x - Step 3: Cross multiply
37,218,863.36x = 55,828,277.76 × 11,661,881.60 - Step 4: Simplify right side
37,218,863.36x = 651,062,765,169,033.12 - Step 5: Solve for x
x = 651,062,765,169,033.12/37,218,863.36 - Step 6: Final answer
x = 17,492,816.99
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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.