Finding the Fourth Proportional to 13,207,696.64, 19,808,220 and 5,117,896.16
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Solution
The fourth proportional to 13,207,696.64, 19,808,220 and 5,117,896.16 is: 7,675,555.84
Step by Step Solution
- Step 1: Write the proportion equation
13,207,696.64 : 19,808,220 = 5,117,896.16 : x - Step 2: Convert to fraction form
13,207,696.64/19,808,220 = 5,117,896.16/x - Step 3: Cross multiply
13,207,696.64x = 19,808,220 × 5,117,896.16 - Step 4: Simplify right side
13,207,696.64x = 101,376,413,074,435.20 - Step 5: Solve for x
x = 101,376,413,074,435.20/13,207,696.64 - Step 6: Final answer
x = 7,675,555.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.