Finding the Fourth Proportional to 29,045,282.12, 43,538,029.68 and 12,878,846.96
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Solution
The fourth proportional to 29,045,282.12, 43,538,029.68 and 12,878,846.96 is: 19,305,015.49
Step by Step Solution
- Step 1: Write the proportion equation
29,045,282.12 : 43,538,029.68 = 12,878,846.96 : x - Step 2: Convert to fraction form
29,045,282.12/43,538,029.68 = 12,878,846.96/x - Step 3: Cross multiply
29,045,282.12x = 43,538,029.68 × 12,878,846.96 - Step 4: Simplify right side
29,045,282.12x = 560,719,621,188,657.81 - Step 5: Solve for x
x = 560,719,621,188,657.81/29,045,282.12 - Step 6: Final answer
x = 19,305,015.49
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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.