Finding the Fourth Proportional to 19,429,227.80, 29,143,841.70 and 5,964,306.20
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Solution
The fourth proportional to 19,429,227.80, 29,143,841.70 and 5,964,306.20 is: 8,946,459.30
Step by Step Solution
- Step 1: Write the proportion equation
19,429,227.80 : 29,143,841.70 = 5,964,306.20 : x - Step 2: Convert to fraction form
19,429,227.80/29,143,841.70 = 5,964,306.20/x - Step 3: Cross multiply
19,429,227.80x = 29,143,841.70 × 5,964,306.20 - Step 4: Simplify right side
19,429,227.80x = 173,822,795,743,128.53 - Step 5: Solve for x
x = 173,822,795,743,128.53/19,429,227.80 - Step 6: Final answer
x = 8,946,459.30
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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.