Finding the Fourth Proportional to 16,427,261.86, 22,668,704.06 and 8,983,454.94
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Solution
The fourth proportional to 16,427,261.86, 22,668,704.06 and 8,983,454.94 is: 12,396,666.17
Step by Step Solution
- Step 1: Write the proportion equation
16,427,261.86 : 22,668,704.06 = 8,983,454.94 : x - Step 2: Convert to fraction form
16,427,261.86/22,668,704.06 = 8,983,454.94/x - Step 3: Cross multiply
16,427,261.86x = 22,668,704.06 × 8,983,454.94 - Step 4: Simplify right side
16,427,261.86x = 203,643,281,407,048.53 - Step 5: Solve for x
x = 203,643,281,407,048.53/16,427,261.86 - Step 6: Final answer
x = 12,396,666.17
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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.