Finding the Fourth Proportional to 19,628,851.12, 29,429,641.97 and 8,693,081.57
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Solution
The fourth proportional to 19,628,851.12, 29,429,641.97 and 8,693,081.57 is: 13,033,583.91
Step by Step Solution
- Step 1: Write the proportion equation
19,628,851.12 : 29,429,641.97 = 8,693,081.57 : x - Step 2: Convert to fraction form
19,628,851.12/29,429,641.97 = 8,693,081.57/x - Step 3: Cross multiply
19,628,851.12x = 29,429,641.97 × 8,693,081.57 - Step 4: Simplify right side
19,628,851.12x = 255,834,278,147,531.41 - Step 5: Solve for x
x = 255,834,278,147,531.41/19,628,851.12 - Step 6: Final answer
x = 13,033,583.91
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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.