Finding the Fourth Proportional to 47,336,240.63, 70,998,849.48 and 12,791,000.99
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Solution
The fourth proportional to 47,336,240.63, 70,998,849.48 and 12,791,000.99 is: 19,185,012.20
Step by Step Solution
- Step 1: Write the proportion equation
47,336,240.63 : 70,998,849.48 = 12,791,000.99 : x - Step 2: Convert to fraction form
47,336,240.63/70,998,849.48 = 12,791,000.99/x - Step 3: Cross multiply
47,336,240.63x = 70,998,849.48 × 12,791,000.99 - Step 4: Simplify right side
47,336,240.63x = 908,146,353,987,541 - Step 5: Solve for x
x = 908,146,353,987,541/47,336,240.63 - Step 6: Final answer
x = 19,185,012.20
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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.