Finding the Fourth Proportional to 32,639,508.60, 48,971,315.70 and 13,471,927.80
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Solution
The fourth proportional to 32,639,508.60, 48,971,315.70 and 13,471,927.80 is: 20,212,866.48
Step by Step Solution
- Step 1: Write the proportion equation
32,639,508.60 : 48,971,315.70 = 13,471,927.80 : x - Step 2: Convert to fraction form
32,639,508.60/48,971,315.70 = 13,471,927.80/x - Step 3: Cross multiply
32,639,508.60x = 48,971,315.70 × 13,471,927.80 - Step 4: Simplify right side
32,639,508.60x = 659,738,029,381,406.50 - Step 5: Solve for x
x = 659,738,029,381,406.50/32,639,508.60 - Step 6: Final answer
x = 20,212,866.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.