Finding the Fourth Proportional to 21,313,602.36, 29,412,599.93 and 12,373,542.10
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Solution
The fourth proportional to 21,313,602.36, 29,412,599.93 and 12,373,542.10 is: 17,075,388.63
Step by Step Solution
- Step 1: Write the proportion equation
21,313,602.36 : 29,412,599.93 = 12,373,542.10 : x - Step 2: Convert to fraction form
21,313,602.36/29,412,599.93 = 12,373,542.10/x - Step 3: Cross multiply
21,313,602.36x = 29,412,599.93 × 12,373,542.10 - Step 4: Simplify right side
21,313,602.36x = 363,938,043,432,394.88 - Step 5: Solve for x
x = 363,938,043,432,394.88/21,313,602.36 - Step 6: Final answer
x = 17,075,388.63
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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.