Finding the Fourth Proportional to 14,725,490.24, 20,320,933.92 and 8,614,953.92
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Solution
The fourth proportional to 14,725,490.24, 20,320,933.92 and 8,614,953.92 is: 11,888,494.47
Step by Step Solution
- Step 1: Write the proportion equation
14,725,490.24 : 20,320,933.92 = 8,614,953.92 : x - Step 2: Convert to fraction form
14,725,490.24/20,320,933.92 = 8,614,953.92/x - Step 3: Cross multiply
14,725,490.24x = 20,320,933.92 × 8,614,953.92 - Step 4: Simplify right side
14,725,490.24x = 175,063,909,332,164.97 - Step 5: Solve for x
x = 175,063,909,332,164.97/14,725,490.24 - Step 6: Final answer
x = 11,888,494.47
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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.