Finding the Fourth Proportional to 11,856,248.58, 16,361,624.79 and 6,423,740.58
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Solution
The fourth proportional to 11,856,248.58, 16,361,624.79 and 6,423,740.58 is: 8,864,762.95
Step by Step Solution
- Step 1: Write the proportion equation
11,856,248.58 : 16,361,624.79 = 6,423,740.58 : x - Step 2: Convert to fraction form
11,856,248.58/16,361,624.79 = 6,423,740.58/x - Step 3: Cross multiply
11,856,248.58x = 16,361,624.79 × 6,423,740.58 - Step 4: Simplify right side
11,856,248.58x = 105,102,833,118,256.97 - Step 5: Solve for x
x = 105,102,833,118,256.97/11,856,248.58 - Step 6: Final answer
x = 8,864,762.95
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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.