Finding the Fourth Proportional to 13,306,526.70, 19,960,446.15 and 6,929,234.70
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Solution
The fourth proportional to 13,306,526.70, 19,960,446.15 and 6,929,234.70 is: 10,394,193.71
Step by Step Solution
- Step 1: Write the proportion equation
13,306,526.70 : 19,960,446.15 = 6,929,234.70 : x - Step 2: Convert to fraction form
13,306,526.70/19,960,446.15 = 6,929,234.70/x - Step 3: Cross multiply
13,306,526.70x = 19,960,446.15 × 6,929,234.70 - Step 4: Simplify right side
13,306,526.70x = 138,310,616,090,061.39 - Step 5: Solve for x
x = 138,310,616,090,061.39/13,306,526.70 - Step 6: Final answer
x = 10,394,193.71
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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.