Finding the Fourth Proportional to 34,711,204.80, 47,898,243.36 and 19,239,972.96
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Solution
The fourth proportional to 34,711,204.80, 47,898,243.36 and 19,239,972.96 is: 26,549,378.29
Step by Step Solution
- Step 1: Write the proportion equation
34,711,204.80 : 47,898,243.36 = 19,239,972.96 : x - Step 2: Convert to fraction form
34,711,204.80/47,898,243.36 = 19,239,972.96/x - Step 3: Cross multiply
34,711,204.80x = 47,898,243.36 × 19,239,972.96 - Step 4: Simplify right side
34,711,204.80x = 921,560,907,077,899.62 - Step 5: Solve for x
x = 921,560,907,077,899.62/34,711,204.80 - Step 6: Final answer
x = 26,549,378.29
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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.