Finding the Fourth Proportional to 19,423,902.30, 29,159,473.05 and 9,834,344.70
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Solution
The fourth proportional to 19,423,902.30, 29,159,473.05 and 9,834,344.70 is: 14,763,475.68
Step by Step Solution
- Step 1: Write the proportion equation
19,423,902.30 : 29,159,473.05 = 9,834,344.70 : x - Step 2: Convert to fraction form
19,423,902.30/29,159,473.05 = 9,834,344.70/x - Step 3: Cross multiply
19,423,902.30x = 29,159,473.05 × 9,834,344.70 - Step 4: Simplify right side
19,423,902.30x = 286,764,309,244,060.31 - Step 5: Solve for x
x = 286,764,309,244,060.31/19,423,902.30 - Step 6: Final answer
x = 14,763,475.68
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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.