Finding the Fourth Proportional to 8,748,053.80, 13,122,080.70 and 7,330,877.80
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Solution
The fourth proportional to 8,748,053.80, 13,122,080.70 and 7,330,877.80 is: 10,996,316.70
Step by Step Solution
- Step 1: Write the proportion equation
8,748,053.80 : 13,122,080.70 = 7,330,877.80 : x - Step 2: Convert to fraction form
8,748,053.80/13,122,080.70 = 7,330,877.80/x - Step 3: Cross multiply
8,748,053.80x = 13,122,080.70 × 7,330,877.80 - Step 4: Simplify right side
8,748,053.80x = 96,196,370,093,438.45 - Step 5: Solve for x
x = 96,196,370,093,438.45/8,748,053.80 - Step 6: Final answer
x = 10,996,316.70
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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.