Finding the Fourth Proportional to 13,320,953.01, 19,965,338.46 and 6,487,285.95
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Solution
The fourth proportional to 13,320,953.01, 19,965,338.46 and 6,487,285.95 is: 9,723,092.60
Step by Step Solution
- Step 1: Write the proportion equation
13,320,953.01 : 19,965,338.46 = 6,487,285.95 : x - Step 2: Convert to fraction form
13,320,953.01/19,965,338.46 = 6,487,285.95/x - Step 3: Cross multiply
13,320,953.01x = 19,965,338.46 × 6,487,285.95 - Step 4: Simplify right side
13,320,953.01x = 129,520,859,678,552.64 - Step 5: Solve for x
x = 129,520,859,678,552.64/13,320,953.01 - Step 6: Final answer
x = 9,723,092.60
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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.