Finding the Fourth Proportional to 27,823,397.97, 38,396,904.56 and 15,433,087.78
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Solution
The fourth proportional to 27,823,397.97, 38,396,904.56 and 15,433,087.78 is: 21,298,002.46
Step by Step Solution
- Step 1: Write the proportion equation
27,823,397.97 : 38,396,904.56 = 15,433,087.78 : x - Step 2: Convert to fraction form
27,823,397.97/38,396,904.56 = 15,433,087.78/x - Step 3: Cross multiply
27,823,397.97x = 38,396,904.56 × 15,433,087.78 - Step 4: Simplify right side
27,823,397.97x = 592,582,798,583,467.12 - Step 5: Solve for x
x = 592,582,798,583,467.12/27,823,397.97 - Step 6: Final answer
x = 21,298,002.46
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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.