Finding the Fourth Proportional to 27,278,565.48, 37,644,343.38 and 15,055,335
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Solution
The fourth proportional to 27,278,565.48, 37,644,343.38 and 15,055,335 is: 20,776,319.81
Step by Step Solution
- Step 1: Write the proportion equation
27,278,565.48 : 37,644,343.38 = 15,055,335 : x - Step 2: Convert to fraction form
27,278,565.48/37,644,343.38 = 15,055,335/x - Step 3: Cross multiply
27,278,565.48x = 37,644,343.38 × 15,055,335 - Step 4: Simplify right side
27,278,565.48x = 566,748,200,440,932.38 - Step 5: Solve for x
x = 566,748,200,440,932.38/27,278,565.48 - Step 6: Final answer
x = 20,776,319.81
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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.