Finding the Fourth Proportional to 19,683,491.40, 29,430,758.70 and 14,581,657.80
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Solution
The fourth proportional to 19,683,491.40, 29,430,758.70 and 14,581,657.80 is: 21,802,496.49
Step by Step Solution
- Step 1: Write the proportion equation
19,683,491.40 : 29,430,758.70 = 14,581,657.80 : x - Step 2: Convert to fraction form
19,683,491.40/29,430,758.70 = 14,581,657.80/x - Step 3: Cross multiply
19,683,491.40x = 29,430,758.70 × 14,581,657.80 - Step 4: Simplify right side
19,683,491.40x = 429,149,252,157,772.88 - Step 5: Solve for x
x = 429,149,252,157,772.88/19,683,491.40 - Step 6: Final answer
x = 21,802,496.49
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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.