Finding the Fourth Proportional to 13,233,981.98, 19,850,988.40 and 4,136,127.25
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Solution
The fourth proportional to 13,233,981.98, 19,850,988.40 and 4,136,127.25 is: 6,204,195.70
Step by Step Solution
- Step 1: Write the proportion equation
13,233,981.98 : 19,850,988.40 = 4,136,127.25 : x - Step 2: Convert to fraction form
13,233,981.98/19,850,988.40 = 4,136,127.25/x - Step 3: Cross multiply
13,233,981.98x = 19,850,988.40 × 4,136,127.25 - Step 4: Simplify right side
13,233,981.98x = 82,106,214,060,673.89 - Step 5: Solve for x
x = 82,106,214,060,673.89/13,233,981.98 - Step 6: Final answer
x = 6,204,195.70
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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.