Finding the Fourth Proportional to 19,994,377.24, 27,592,508.28 and 11,173,440.82
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Solution
The fourth proportional to 19,994,377.24, 27,592,508.28 and 11,173,440.82 is: 15,419,497.92
Step by Step Solution
- Step 1: Write the proportion equation
19,994,377.24 : 27,592,508.28 = 11,173,440.82 : x - Step 2: Convert to fraction form
19,994,377.24/27,592,508.28 = 11,173,440.82/x - Step 3: Cross multiply
19,994,377.24x = 27,592,508.28 × 11,173,440.82 - Step 4: Simplify right side
19,994,377.24x = 308,303,258,341,940 - Step 5: Solve for x
x = 308,303,258,341,940/19,994,377.24 - Step 6: Final answer
x = 15,419,497.92
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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.