Finding the Fourth Proportional to 14,039,379.26, 19,374,471.63 and 8,238,257.67
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Solution
The fourth proportional to 14,039,379.26, 19,374,471.63 and 8,238,257.67 is: 11,368,870.85
Step by Step Solution
- Step 1: Write the proportion equation
14,039,379.26 : 19,374,471.63 = 8,238,257.67 : x - Step 2: Convert to fraction form
14,039,379.26/19,374,471.63 = 8,238,257.67/x - Step 3: Cross multiply
14,039,379.26x = 19,374,471.63 × 8,238,257.67 - Step 4: Simplify right side
14,039,379.26x = 159,611,889,508,044.91 - Step 5: Solve for x
x = 159,611,889,508,044.91/14,039,379.26 - Step 6: Final answer
x = 11,368,870.85
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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.