Finding the Fourth Proportional to 7,883,669.05, 11,825,503.58 and 7,750,808.80
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Solution
The fourth proportional to 7,883,669.05, 11,825,503.58 and 7,750,808.80 is: 11,626,213.20
Step by Step Solution
- Step 1: Write the proportion equation
7,883,669.05 : 11,825,503.58 = 7,750,808.80 : x - Step 2: Convert to fraction form
7,883,669.05/11,825,503.58 = 7,750,808.80/x - Step 3: Cross multiply
7,883,669.05x = 11,825,503.58 × 7,750,808.80 - Step 4: Simplify right side
7,883,669.05x = 91,657,217,173,541.45 - Step 5: Solve for x
x = 91,657,217,173,541.45/7,883,669.05 - Step 6: Final answer
x = 11,626,213.20
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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.