Finding the Fourth Proportional to 32,081,428.80, 48,122,143.20 and 17,732,521.80
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Solution
The fourth proportional to 32,081,428.80, 48,122,143.20 and 17,732,521.80 is: 26,598,782.70
Step by Step Solution
- Step 1: Write the proportion equation
32,081,428.80 : 48,122,143.20 = 17,732,521.80 : x - Step 2: Convert to fraction form
32,081,428.80/48,122,143.20 = 17,732,521.80/x - Step 3: Cross multiply
32,081,428.80x = 48,122,143.20 × 17,732,521.80 - Step 4: Simplify right side
32,081,428.80x = 853,326,953,356,721.88 - Step 5: Solve for x
x = 853,326,953,356,721.88/32,081,428.80 - Step 6: Final answer
x = 26,598,782.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.