Finding the Fourth Proportional to 18,897,896.39, 26,065,172.36 and 14,251,877.00
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Solution
The fourth proportional to 18,897,896.39, 26,065,172.36 and 14,251,877.00 is: 19,657,088.95
Step by Step Solution
- Step 1: Write the proportion equation
18,897,896.39 : 26,065,172.36 = 14,251,877.00 : x - Step 2: Convert to fraction form
18,897,896.39/26,065,172.36 = 14,251,877.00/x - Step 3: Cross multiply
18,897,896.39x = 26,065,172.36 × 14,251,877.00 - Step 4: Simplify right side
18,897,896.39x = 371,477,630,256,934.44 - Step 5: Solve for x
x = 371,477,630,256,934.44/18,897,896.39 - Step 6: Final answer
x = 19,657,088.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.