Finding the Fourth Proportional to 35,468,373.34, 48,946,898.46 and 20,780,525.08
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Solution
The fourth proportional to 35,468,373.34, 48,946,898.46 and 20,780,525.08 is: 28,677,442.89
Step by Step Solution
- Step 1: Write the proportion equation
35,468,373.34 : 48,946,898.46 = 20,780,525.08 : x - Step 2: Convert to fraction form
35,468,373.34/48,946,898.46 = 20,780,525.08/x - Step 3: Cross multiply
35,468,373.34x = 48,946,898.46 × 20,780,525.08 - Step 4: Simplify right side
35,468,373.34x = 1,017,142,251,036,243.25 - Step 5: Solve for x
x = 1,017,142,251,036,243.25/35,468,373.34 - Step 6: Final answer
x = 28,677,442.89
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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.