Finding the Fourth Proportional to 32,257,216.80, 48,389,972.40 and 16,091,431.20
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Solution
The fourth proportional to 32,257,216.80, 48,389,972.40 and 16,091,431.20 is: 24,139,215.62
Step by Step Solution
- Step 1: Write the proportion equation
32,257,216.80 : 48,389,972.40 = 16,091,431.20 : x - Step 2: Convert to fraction form
32,257,216.80/48,389,972.40 = 16,091,431.20/x - Step 3: Cross multiply
32,257,216.80x = 48,389,972.40 × 16,091,431.20 - Step 4: Simplify right side
32,257,216.80x = 778,663,911,644,498.88 - Step 5: Solve for x
x = 778,663,911,644,498.88/32,257,216.80 - Step 6: Final answer
x = 24,139,215.62
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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.