Finding the Fourth Proportional to 19,281,211.28, 26,583,861.68 and 14,115,604.80
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Solution
The fourth proportional to 19,281,211.28, 26,583,861.68 and 14,115,604.80 is: 19,461,810.78
Step by Step Solution
- Step 1: Write the proportion equation
19,281,211.28 : 26,583,861.68 = 14,115,604.80 : x - Step 2: Convert to fraction form
19,281,211.28/26,583,861.68 = 14,115,604.80/x - Step 3: Cross multiply
19,281,211.28x = 26,583,861.68 × 14,115,604.80 - Step 4: Simplify right side
19,281,211.28x = 375,247,285,532,744.06 - Step 5: Solve for x
x = 375,247,285,532,744.06/19,281,211.28 - Step 6: Final answer
x = 19,461,810.78
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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.