Finding the Fourth Proportional to 21,509,875.26, 32,279,710.14 and 8,554,696.20
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Solution
The fourth proportional to 21,509,875.26, 32,279,710.14 and 8,554,696.20 is: 12,837,969.09
Step by Step Solution
- Step 1: Write the proportion equation
21,509,875.26 : 32,279,710.14 = 8,554,696.20 : x - Step 2: Convert to fraction form
21,509,875.26/32,279,710.14 = 8,554,696.20/x - Step 3: Cross multiply
21,509,875.26x = 32,279,710.14 × 8,554,696.20 - Step 4: Simplify right side
21,509,875.26x = 276,143,113,671,759.44 - Step 5: Solve for x
x = 276,143,113,671,759.44/21,509,875.26 - Step 6: Final answer
x = 12,837,969.09
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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.