Finding the Fourth Proportional to 7,611,633.88, 11,427,193.98 and 6,539,008.79
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Solution
The fourth proportional to 7,611,633.88, 11,427,193.98 and 6,539,008.79 is: 9,816,883.35
Step by Step Solution
- Step 1: Write the proportion equation
7,611,633.88 : 11,427,193.98 = 6,539,008.79 : x - Step 2: Convert to fraction form
7,611,633.88/11,427,193.98 = 6,539,008.79/x - Step 3: Cross multiply
7,611,633.88x = 11,427,193.98 × 6,539,008.79 - Step 4: Simplify right side
7,611,633.88x = 74,722,521,908,823.08 - Step 5: Solve for x
x = 74,722,521,908,823.08/7,611,633.88 - Step 6: Final answer
x = 9,816,883.35
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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.