Finding the Fourth Proportional to 34,820,432.66, 48,048,381.42 and 20,133,876.36
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Solution
The fourth proportional to 34,820,432.66, 48,048,381.42 and 20,133,876.36 is: 27,782,543.09
Step by Step Solution
- Step 1: Write the proportion equation
34,820,432.66 : 48,048,381.42 = 20,133,876.36 : x - Step 2: Convert to fraction form
34,820,432.66/48,048,381.42 = 20,133,876.36/x - Step 3: Cross multiply
34,820,432.66x = 48,048,381.42 × 20,133,876.36 - Step 4: Simplify right side
34,820,432.66x = 967,400,170,808,401.25 - Step 5: Solve for x
x = 967,400,170,808,401.25/34,820,432.66 - Step 6: Final answer
x = 27,782,543.09
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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.