Finding the Fourth Proportional to 21,955,675.68, 30,288,896.44 and 13,251,065.76
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Solution
The fourth proportional to 21,955,675.68, 30,288,896.44 and 13,251,065.76 is: 18,280,474.00
Step by Step Solution
- Step 1: Write the proportion equation
21,955,675.68 : 30,288,896.44 = 13,251,065.76 : x - Step 2: Convert to fraction form
21,955,675.68/30,288,896.44 = 13,251,065.76/x - Step 3: Cross multiply
21,955,675.68x = 30,288,896.44 × 13,251,065.76 - Step 4: Simplify right side
21,955,675.68x = 401,360,158,524,269.88 - Step 5: Solve for x
x = 401,360,158,524,269.88/21,955,675.68 - Step 6: Final answer
x = 18,280,474.00
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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.