Finding the Fourth Proportional to 19,706,258.10, 27,207,432.32 and 17,637,691.44
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Solution
The fourth proportional to 19,706,258.10, 27,207,432.32 and 17,637,691.44 is: 24,351,467.12
Step by Step Solution
- Step 1: Write the proportion equation
19,706,258.10 : 27,207,432.32 = 17,637,691.44 : x - Step 2: Convert to fraction form
19,706,258.10/27,207,432.32 = 17,637,691.44/x - Step 3: Cross multiply
19,706,258.10x = 27,207,432.32 × 17,637,691.44 - Step 4: Simplify right side
19,706,258.10x = 479,876,296,134,843.38 - Step 5: Solve for x
x = 479,876,296,134,843.38/19,706,258.10 - Step 6: Final answer
x = 24,351,467.12
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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.