Finding the Fourth Proportional to 23,890,058.36, 32,971,084.92 and 13,578,331.49
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Solution
The fourth proportional to 23,890,058.36, 32,971,084.92 and 13,578,331.49 is: 18,739,691.37
Step by Step Solution
- Step 1: Write the proportion equation
23,890,058.36 : 32,971,084.92 = 13,578,331.49 : x - Step 2: Convert to fraction form
23,890,058.36/32,971,084.92 = 13,578,331.49/x - Step 3: Cross multiply
23,890,058.36x = 32,971,084.92 × 13,578,331.49 - Step 4: Simplify right side
23,890,058.36x = 447,692,320,463,844.69 - Step 5: Solve for x
x = 447,692,320,463,844.69/23,890,058.36 - Step 6: Final answer
x = 18,739,691.37
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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.