Finding the Fourth Proportional to 21,381,897.19, 32,071,172.73 and 6,028,566.70
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Solution
The fourth proportional to 21,381,897.19, 32,071,172.73 and 6,028,566.70 is: 9,042,378.34
Step by Step Solution
- Step 1: Write the proportion equation
21,381,897.19 : 32,071,172.73 = 6,028,566.70 : x - Step 2: Convert to fraction form
21,381,897.19/32,071,172.73 = 6,028,566.70/x - Step 3: Cross multiply
21,381,897.19x = 32,071,172.73 × 6,028,566.70 - Step 4: Simplify right side
21,381,897.19x = 193,343,203,924,332.84 - Step 5: Solve for x
x = 193,343,203,924,332.84/21,381,897.19 - Step 6: Final answer
x = 9,042,378.34
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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.