Finding the Fourth Proportional to 26,412,832.81, 39,578,843.65 and 14,118,544.97
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Solution
The fourth proportional to 26,412,832.81, 39,578,843.65 and 14,118,544.97 is: 21,156,219.34
Step by Step Solution
- Step 1: Write the proportion equation
26,412,832.81 : 39,578,843.65 = 14,118,544.97 : x - Step 2: Convert to fraction form
26,412,832.81/39,578,843.65 = 14,118,544.97/x - Step 3: Cross multiply
26,412,832.81x = 39,578,843.65 × 14,118,544.97 - Step 4: Simplify right side
26,412,832.81x = 558,795,684,097,457.31 - Step 5: Solve for x
x = 558,795,684,097,457.31/26,412,832.81 - Step 6: Final answer
x = 21,156,219.34
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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.