Finding the Fourth Proportional to 11,487,653.82, 15,852,249.99 and 6,330,727.26
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Solution
The fourth proportional to 11,487,653.82, 15,852,249.99 and 6,330,727.26 is: 8,736,011.09
Step by Step Solution
- Step 1: Write the proportion equation
11,487,653.82 : 15,852,249.99 = 6,330,727.26 : x - Step 2: Convert to fraction form
11,487,653.82/15,852,249.99 = 6,330,727.26/x - Step 3: Cross multiply
11,487,653.82x = 15,852,249.99 × 6,330,727.26 - Step 4: Simplify right side
11,487,653.82x = 100,356,271,144,027.72 - Step 5: Solve for x
x = 100,356,271,144,027.72/11,487,653.82 - Step 6: Final answer
x = 8,736,011.09
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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.