Finding the Fourth Proportional to 27,960,319.66, 38,565,364.98 and 18,663,202.21
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Solution
The fourth proportional to 27,960,319.66, 38,565,364.98 and 18,663,202.21 is: 25,741,951.94
Step by Step Solution
- Step 1: Write the proportion equation
27,960,319.66 : 38,565,364.98 = 18,663,202.21 : x - Step 2: Convert to fraction form
27,960,319.66/38,565,364.98 = 18,663,202.21/x - Step 3: Cross multiply
27,960,319.66x = 38,565,364.98 × 18,663,202.21 - Step 4: Simplify right side
27,960,319.66x = 719,753,204,924,192.62 - Step 5: Solve for x
x = 719,753,204,924,192.62/27,960,319.66 - Step 6: Final answer
x = 25,741,951.94
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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.