Finding the Fourth Proportional to 10,703,323.80, 14,767,790.40 and 6,353,380.80
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Solution
The fourth proportional to 10,703,323.80, 14,767,790.40 and 6,353,380.80 is: 8,766,005.56
Step by Step Solution
- Step 1: Write the proportion equation
10,703,323.80 : 14,767,790.40 = 6,353,380.80 : x - Step 2: Convert to fraction form
10,703,323.80/14,767,790.40 = 6,353,380.80/x - Step 3: Cross multiply
10,703,323.80x = 14,767,790.40 × 6,353,380.80 - Step 4: Simplify right side
10,703,323.80x = 93,825,395,985,784.31 - Step 5: Solve for x
x = 93,825,395,985,784.31/10,703,323.80 - Step 6: Final answer
x = 8,766,005.56
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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.