Finding the Fourth Proportional to 19,440,046.80, 29,160,070.20 and 19,156,611.60
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Solution
The fourth proportional to 19,440,046.80, 29,160,070.20 and 19,156,611.60 is: 28,734,917.40
Step by Step Solution
- Step 1: Write the proportion equation
19,440,046.80 : 29,160,070.20 = 19,156,611.60 : x - Step 2: Convert to fraction form
19,440,046.80/29,160,070.20 = 19,156,611.60/x - Step 3: Cross multiply
19,440,046.80x = 29,160,070.20 × 19,156,611.60 - Step 4: Simplify right side
19,440,046.80x = 558,608,139,050,134.38 - Step 5: Solve for x
x = 558,608,139,050,134.38/19,440,046.80 - Step 6: Final answer
x = 28,734,917.40
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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.