Finding the Fourth Proportional to 33,691,031.28, 46,493,623.20 and 18,221,115.84
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Solution
The fourth proportional to 33,691,031.28, 46,493,623.20 and 18,221,115.84 is: 25,145,139.88
Step by Step Solution
- Step 1: Write the proportion equation
33,691,031.28 : 46,493,623.20 = 18,221,115.84 : x - Step 2: Convert to fraction form
33,691,031.28/46,493,623.20 = 18,221,115.84/x - Step 3: Cross multiply
33,691,031.28x = 46,493,623.20 × 18,221,115.84 - Step 4: Simplify right side
33,691,031.28x = 847,165,694,148,511.50 - Step 5: Solve for x
x = 847,165,694,148,511.50/33,691,031.28 - Step 6: Final answer
x = 25,145,139.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.