Finding the Fourth Proportional to 7,708,803.40, 11,563,205.10 and 2,318,285.80
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Solution
The fourth proportional to 7,708,803.40, 11,563,205.10 and 2,318,285.80 is: 3,477,428.70
Step by Step Solution
- Step 1: Write the proportion equation
7,708,803.40 : 11,563,205.10 = 2,318,285.80 : x - Step 2: Convert to fraction form
7,708,803.40/11,563,205.10 = 2,318,285.80/x - Step 3: Cross multiply
7,708,803.40x = 11,563,205.10 × 2,318,285.80 - Step 4: Simplify right side
7,708,803.40x = 26,806,814,185,817.58 - Step 5: Solve for x
x = 26,806,814,185,817.58/7,708,803.40 - Step 6: Final answer
x = 3,477,428.70
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Similar ratio
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1.5x scale
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.