Finding the Fourth Proportional to 10,865,825.92, 14,994,102.40 and 5,971,390.08
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Solution
The fourth proportional to 10,865,825.92, 14,994,102.40 and 5,971,390.08 is: 8,240,113.08
Step by Step Solution
- Step 1: Write the proportion equation
10,865,825.92 : 14,994,102.40 = 5,971,390.08 : x - Step 2: Convert to fraction form
10,865,825.92/14,994,102.40 = 5,971,390.08/x - Step 3: Cross multiply
10,865,825.92x = 14,994,102.40 × 5,971,390.08 - Step 4: Simplify right side
10,865,825.92x = 89,535,634,329,864.20 - Step 5: Solve for x
x = 89,535,634,329,864.20/10,865,825.92 - Step 6: Final answer
x = 8,240,113.08
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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.