Finding the Fourth Proportional to 14,188,336.99, 21,282,505.77 and 3,405,637.84
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Solution
The fourth proportional to 14,188,336.99, 21,282,505.77 and 3,405,637.84 is: 5,108,456.82
Step by Step Solution
- Step 1: Write the proportion equation
14,188,336.99 : 21,282,505.77 = 3,405,637.84 : x - Step 2: Convert to fraction form
14,188,336.99/21,282,505.77 = 3,405,637.84/x - Step 3: Cross multiply
14,188,336.99x = 21,282,505.77 × 3,405,637.84 - Step 4: Simplify right side
14,188,336.99x = 72,480,506,873,917.81 - Step 5: Solve for x
x = 72,480,506,873,917.81/14,188,336.99 - Step 6: Final answer
x = 5,108,456.82
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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.