Finding the Fourth Proportional to 15,841,953.36, 21,879,727.56 and 10,706,527.44
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Solution
The fourth proportional to 15,841,953.36, 21,879,727.56 and 10,706,527.44 is: 14,787,059.28
Step by Step Solution
- Step 1: Write the proportion equation
15,841,953.36 : 21,879,727.56 = 10,706,527.44 : x - Step 2: Convert to fraction form
15,841,953.36/21,879,727.56 = 10,706,527.44/x - Step 3: Cross multiply
15,841,953.36x = 21,879,727.56 × 10,706,527.44 - Step 4: Simplify right side
15,841,953.36x = 234,255,903,500,864.22 - Step 5: Solve for x
x = 234,255,903,500,864.22/15,841,953.36 - Step 6: Final answer
x = 14,787,059.28
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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.