Finding the Fourth Proportional to 34,320,252.46, 47,364,869.26 and 19,438,223.70
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Solution
The fourth proportional to 34,320,252.46, 47,364,869.26 and 19,438,223.70 is: 26,826,403.02
Step by Step Solution
- Step 1: Write the proportion equation
34,320,252.46 : 47,364,869.26 = 19,438,223.70 : x - Step 2: Convert to fraction form
34,320,252.46/47,364,869.26 = 19,438,223.70/x - Step 3: Cross multiply
34,320,252.46x = 47,364,869.26 × 19,438,223.70 - Step 4: Simplify right side
34,320,252.46x = 920,688,924,197,133.38 - Step 5: Solve for x
x = 920,688,924,197,133.38/34,320,252.46 - Step 6: Final answer
x = 26,826,403.02
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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.