Finding the Fourth Proportional to 38,011,482.99, 57,019,443.08 and 14,668,348.95
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Solution
The fourth proportional to 38,011,482.99, 57,019,443.08 and 14,668,348.95 is: 22,003,379.56
Step by Step Solution
- Step 1: Write the proportion equation
38,011,482.99 : 57,019,443.08 = 14,668,348.95 : x - Step 2: Convert to fraction form
38,011,482.99/57,019,443.08 = 14,668,348.95/x - Step 3: Cross multiply
38,011,482.99x = 57,019,443.08 × 14,668,348.95 - Step 4: Simplify right side
38,011,482.99x = 836,381,087,958,761 - Step 5: Solve for x
x = 836,381,087,958,761/38,011,482.99 - Step 6: Final answer
x = 22,003,379.56
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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.