Finding the Fourth Proportional to 35,031,458.54, 48,343,220.34 and 19,351,561.70
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Solution
The fourth proportional to 35,031,458.54, 48,343,220.34 and 19,351,561.70 is: 26,705,048.84
Step by Step Solution
- Step 1: Write the proportion equation
35,031,458.54 : 48,343,220.34 = 19,351,561.70 : x - Step 2: Convert to fraction form
35,031,458.54/48,343,220.34 = 19,351,561.70/x - Step 3: Cross multiply
35,031,458.54x = 48,343,220.34 × 19,351,561.70 - Step 4: Simplify right side
35,031,458.54x = 935,516,811,186,205 - Step 5: Solve for x
x = 935,516,811,186,205/35,031,458.54 - Step 6: Final answer
x = 26,705,048.84
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1.5x scale
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.