Finding the Fourth Proportional to 18,441,780.45, 27,662,670.68 and 14,854,553.70
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Solution
The fourth proportional to 18,441,780.45, 27,662,670.68 and 14,854,553.70 is: 22,281,830.55
Step by Step Solution
- Step 1: Write the proportion equation
18,441,780.45 : 27,662,670.68 = 14,854,553.70 : x - Step 2: Convert to fraction form
18,441,780.45/27,662,670.68 = 14,854,553.70/x - Step 3: Cross multiply
18,441,780.45x = 27,662,670.68 × 14,854,553.70 - Step 4: Simplify right side
18,441,780.45x = 410,916,627,101,475.50 - Step 5: Solve for x
x = 410,916,627,101,475.50/18,441,780.45 - Step 6: Final answer
x = 22,281,830.55
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1.5x scale
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.