Finding the Fourth Proportional to 26,987,217.48, 40,480,793.64 and 8,791,382.97
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Solution
The fourth proportional to 26,987,217.48, 40,480,793.64 and 8,791,382.97 is: 13,187,063.84
Step by Step Solution
- Step 1: Write the proportion equation
26,987,217.48 : 40,480,793.64 = 8,791,382.97 : x - Step 2: Convert to fraction form
26,987,217.48/40,480,793.64 = 8,791,382.97/x - Step 3: Cross multiply
26,987,217.48x = 40,480,793.64 × 8,791,382.97 - Step 4: Simplify right side
26,987,217.48x = 355,882,159,818,780.31 - Step 5: Solve for x
x = 355,882,159,818,780.31/26,987,217.48 - Step 6: Final answer
x = 13,187,063.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.