Finding the Fourth Proportional to 13,041,377.12, 19,534,486.80 and 8,246,591.84
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Solution
The fourth proportional to 13,041,377.12, 19,534,486.80 and 8,246,591.84 is: 12,352,448.52
Step by Step Solution
- Step 1: Write the proportion equation
13,041,377.12 : 19,534,486.80 = 8,246,591.84 : x - Step 2: Convert to fraction form
13,041,377.12/19,534,486.80 = 8,246,591.84/x - Step 3: Cross multiply
13,041,377.12x = 19,534,486.80 × 8,246,591.84 - Step 4: Simplify right side
13,041,377.12x = 161,092,939,443,467.72 - Step 5: Solve for x
x = 161,092,939,443,467.72/13,041,377.12 - Step 6: Final answer
x = 12,352,448.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.