Finding the Fourth Proportional to 11,873,701.74, 16,385,739.96 and 6,441,193.74
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Solution
The fourth proportional to 11,873,701.74, 16,385,739.96 and 6,441,193.74 is: 8,888,864.48
Step by Step Solution
- Step 1: Write the proportion equation
11,873,701.74 : 16,385,739.96 = 6,441,193.74 : x - Step 2: Convert to fraction form
11,873,701.74/16,385,739.96 = 6,441,193.74/x - Step 3: Cross multiply
11,873,701.74x = 16,385,739.96 × 6,441,193.74 - Step 4: Simplify right side
11,873,701.74x = 105,543,725,655,619.86 - Step 5: Solve for x
x = 105,543,725,655,619.86/11,873,701.74 - Step 6: Final answer
x = 8,888,864.48
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1.5x scale
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.