Finding the Fourth Proportional to 15,110,508.45, 20,853,240.99 and 8,497,178.28
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Solution
The fourth proportional to 15,110,508.45, 20,853,240.99 and 8,497,178.28 is: 11,726,521.78
Step by Step Solution
- Step 1: Write the proportion equation
15,110,508.45 : 20,853,240.99 = 8,497,178.28 : x - Step 2: Convert to fraction form
15,110,508.45/20,853,240.99 = 8,497,178.28/x - Step 3: Cross multiply
15,110,508.45x = 20,853,240.99 × 8,497,178.28 - Step 4: Simplify right side
15,110,508.45x = 177,193,706,407,833.66 - Step 5: Solve for x
x = 177,193,706,407,833.66/15,110,508.45 - Step 6: Final answer
x = 11,726,521.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.