Finding the Fourth Proportional to 14,883,480.19, 20,491,691.61 and 12,699,257.68
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Solution
The fourth proportional to 14,883,480.19, 20,491,691.61 and 12,699,257.68 is: 17,484,437.02
Step by Step Solution
- Step 1: Write the proportion equation
14,883,480.19 : 20,491,691.61 = 12,699,257.68 : x - Step 2: Convert to fraction form
14,883,480.19/20,491,691.61 = 12,699,257.68/x - Step 3: Cross multiply
14,883,480.19x = 20,491,691.61 × 12,699,257.68 - Step 4: Simplify right side
14,883,480.19x = 260,229,272,054,484.06 - Step 5: Solve for x
x = 260,229,272,054,484.06/14,883,480.19 - Step 6: Final answer
x = 17,484,437.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.