Finding the Fourth Proportional to 19,330,864.24, 26,675,909.84 and 10,628,975.92
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Solution
The fourth proportional to 19,330,864.24, 26,675,909.84 and 10,628,975.92 is: 14,667,611.33
Step by Step Solution
- Step 1: Write the proportion equation
19,330,864.24 : 26,675,909.84 = 10,628,975.92 : x - Step 2: Convert to fraction form
19,330,864.24/26,675,909.84 = 10,628,975.92/x - Step 3: Cross multiply
19,330,864.24x = 26,675,909.84 × 10,628,975.92 - Step 4: Simplify right side
19,330,864.24x = 283,537,603,333,451.06 - Step 5: Solve for x
x = 283,537,603,333,451.06/19,330,864.24 - Step 6: Final answer
x = 14,667,611.33
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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.