Finding the Fourth Proportional to 18,466,811.84, 27,826,267.24 and 15,174,764.48
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Solution
The fourth proportional to 18,466,811.84, 27,826,267.24 and 15,174,764.48 is: 22,865,725.57
Step by Step Solution
- Step 1: Write the proportion equation
18,466,811.84 : 27,826,267.24 = 15,174,764.48 : x - Step 2: Convert to fraction form
18,466,811.84/27,826,267.24 = 15,174,764.48/x - Step 3: Cross multiply
18,466,811.84x = 27,826,267.24 × 15,174,764.48 - Step 4: Simplify right side
18,466,811.84x = 422,257,051,724,539.62 - Step 5: Solve for x
x = 422,257,051,724,539.62/18,466,811.84 - Step 6: Final answer
x = 22,865,725.57
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.