Finding the Fourth Proportional to 10,775,232.80, 16,162,849.20 and 6,513,207.20
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Solution
The fourth proportional to 10,775,232.80, 16,162,849.20 and 6,513,207.20 is: 9,769,810.80
Step by Step Solution
- Step 1: Write the proportion equation
10,775,232.80 : 16,162,849.20 = 6,513,207.20 : x - Step 2: Convert to fraction form
10,775,232.80/16,162,849.20 = 6,513,207.20/x - Step 3: Cross multiply
10,775,232.80x = 16,162,849.20 × 6,513,207.20 - Step 4: Simplify right side
10,775,232.80x = 105,271,985,781,954.23 - Step 5: Solve for x
x = 105,271,985,781,954.23/10,775,232.80 - Step 6: Final answer
x = 9,769,810.80
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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.