Finding the Fourth Proportional to 30,540,901.36, 45,811,361.16 and 8,975,503.08
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Solution
The fourth proportional to 30,540,901.36, 45,811,361.16 and 8,975,503.08 is: 13,463,257.30
Step by Step Solution
- Step 1: Write the proportion equation
30,540,901.36 : 45,811,361.16 = 8,975,503.08 : x - Step 2: Convert to fraction form
30,540,901.36/45,811,361.16 = 8,975,503.08/x - Step 3: Cross multiply
30,540,901.36x = 45,811,361.16 × 8,975,503.08 - Step 4: Simplify right side
30,540,901.36x = 411,180,013,190,572.38 - Step 5: Solve for x
x = 411,180,013,190,572.38/30,540,901.36 - Step 6: Final answer
x = 13,463,257.30
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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.