Finding the Fourth Proportional to 29,489,686.80, 44,234,492.12 and 7,924,288.76
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Solution
The fourth proportional to 29,489,686.80, 44,234,492.12 and 7,924,288.76 is: 11,886,422.91
Step by Step Solution
- Step 1: Write the proportion equation
29,489,686.80 : 44,234,492.12 = 7,924,288.76 : x - Step 2: Convert to fraction form
29,489,686.80/44,234,492.12 = 7,924,288.76/x - Step 3: Cross multiply
29,489,686.80x = 44,234,492.12 × 7,924,288.76 - Step 4: Simplify right side
29,489,686.80x = 350,526,888,710,824.56 - Step 5: Solve for x
x = 350,526,888,710,824.56/29,489,686.80 - Step 6: Final answer
x = 11,886,422.91
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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.