Finding the Fourth Proportional to 21,344,219.24, 29,455,016.34 and 11,554,656.17
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Solution
The fourth proportional to 21,344,219.24, 29,455,016.34 and 11,554,656.17 is: 15,945,422.15
Step by Step Solution
- Step 1: Write the proportion equation
21,344,219.24 : 29,455,016.34 = 11,554,656.17 : x - Step 2: Convert to fraction form
21,344,219.24/29,455,016.34 = 11,554,656.17/x - Step 3: Cross multiply
21,344,219.24x = 29,455,016.34 × 11,554,656.17 - Step 4: Simplify right side
21,344,219.24x = 340,342,586,290,431.81 - Step 5: Solve for x
x = 340,342,586,290,431.81/21,344,219.24 - Step 6: Final answer
x = 15,945,422.15
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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.