Finding the Fourth Proportional to 47,270,889.36, 70,906,353.48 and 36,503,928.72
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Solution
The fourth proportional to 47,270,889.36, 70,906,353.48 and 36,503,928.72 is: 54,755,908.09
Step by Step Solution
- Step 1: Write the proportion equation
47,270,889.36 : 70,906,353.48 = 36,503,928.72 : x - Step 2: Convert to fraction form
47,270,889.36/70,906,353.48 = 36,503,928.72/x - Step 3: Cross multiply
47,270,889.36x = 70,906,353.48 × 36,503,928.72 - Step 4: Simplify right side
47,270,889.36x = 2,588,360,473,229,044 - Step 5: Solve for x
x = 2,588,360,473,229,044/47,270,889.36 - Step 6: Final answer
x = 54,755,908.09
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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.