Finding the Fourth Proportional to 27,776,336.48, 38,331,650.88 and 15,386,619.68
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Solution
The fourth proportional to 27,776,336.48, 38,331,650.88 and 15,386,619.68 is: 21,233,704.96
Step by Step Solution
- Step 1: Write the proportion equation
27,776,336.48 : 38,331,650.88 = 15,386,619.68 : x - Step 2: Convert to fraction form
27,776,336.48/38,331,650.88 = 15,386,619.68/x - Step 3: Cross multiply
27,776,336.48x = 38,331,650.88 × 15,386,619.68 - Step 4: Simplify right side
27,776,336.48x = 589,794,533,797,097.38 - Step 5: Solve for x
x = 589,794,533,797,097.38/27,776,336.48 - Step 6: Final answer
x = 21,233,704.96
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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.