Finding the Fourth Proportional to 48,596,859.21, 72,947,162.11 and 20,944,423.46
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Solution
The fourth proportional to 48,596,859.21, 72,947,162.11 and 20,944,423.46 is: 31,438,991.70
Step by Step Solution
- Step 1: Write the proportion equation
48,596,859.21 : 72,947,162.11 = 20,944,423.46 : x - Step 2: Convert to fraction form
48,596,859.21/72,947,162.11 = 20,944,423.46/x - Step 3: Cross multiply
48,596,859.21x = 72,947,162.11 × 20,944,423.46 - Step 4: Simplify right side
48,596,859.21x = 1,527,836,253,567,114 - Step 5: Solve for x
x = 1,527,836,253,567,114/48,596,859.21 - Step 6: Final answer
x = 31,438,991.70
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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.