Finding the Fourth Proportional to 36,413,470.08, 54,601,387.20 and 13,378,521.60
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Solution
The fourth proportional to 36,413,470.08, 54,601,387.20 and 13,378,521.60 is: 20,060,868.59
Step by Step Solution
- Step 1: Write the proportion equation
36,413,470.08 : 54,601,387.20 = 13,378,521.60 : x - Step 2: Convert to fraction form
36,413,470.08/54,601,387.20 = 13,378,521.60/x - Step 3: Cross multiply
36,413,470.08x = 54,601,387.20 × 13,378,521.60 - Step 4: Simplify right side
36,413,470.08x = 730,485,838,045,163.50 - Step 5: Solve for x
x = 730,485,838,045,163.50/36,413,470.08 - Step 6: Final answer
x = 20,060,868.59
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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.