Finding the Fourth Proportional to 11,789,909.58, 16,269,908.80 and 6,633,258.83
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Solution
The fourth proportional to 11,789,909.58, 16,269,908.80 and 6,633,258.83 is: 9,153,803.55
Step by Step Solution
- Step 1: Write the proportion equation
11,789,909.58 : 16,269,908.80 = 6,633,258.83 : x - Step 2: Convert to fraction form
11,789,909.58/16,269,908.80 = 6,633,258.83/x - Step 3: Cross multiply
11,789,909.58x = 16,269,908.80 × 6,633,258.83 - Step 4: Simplify right side
11,789,909.58x = 107,922,516,210,894.70 - Step 5: Solve for x
x = 107,922,516,210,894.70/11,789,909.58 - Step 6: Final answer
x = 9,153,803.55
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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.