Finding the Fourth Proportional to 14,391,524.34, 19,860,355.44 and 7,865,151.84
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Solution
The fourth proportional to 14,391,524.34, 19,860,355.44 and 7,865,151.84 is: 10,853,937.88
Step by Step Solution
- Step 1: Write the proportion equation
14,391,524.34 : 19,860,355.44 = 7,865,151.84 : x - Step 2: Convert to fraction form
14,391,524.34/19,860,355.44 = 7,865,151.84/x - Step 3: Cross multiply
14,391,524.34x = 19,860,355.44 × 7,865,151.84 - Step 4: Simplify right side
14,391,524.34x = 156,204,711,131,970.03 - Step 5: Solve for x
x = 156,204,711,131,970.03/14,391,524.34 - Step 6: Final answer
x = 10,853,937.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.