Finding the Fourth Proportional to 28,866,989.08, 39,836,441.62 and 17,264,550.70
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Solution
The fourth proportional to 28,866,989.08, 39,836,441.62 and 17,264,550.70 is: 23,825,077.99
Step by Step Solution
- Step 1: Write the proportion equation
28,866,989.08 : 39,836,441.62 = 17,264,550.70 : x - Step 2: Convert to fraction form
28,866,989.08/39,836,441.62 = 17,264,550.70/x - Step 3: Cross multiply
28,866,989.08x = 39,836,441.62 × 17,264,550.70 - Step 4: Simplify right side
28,866,989.08x = 687,758,266,056,080 - Step 5: Solve for x
x = 687,758,266,056,080/28,866,989.08 - Step 6: Final answer
x = 23,825,077.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.