Finding the Fourth Proportional to 11,160,114.18, 15,400,432.71 and 6,198,877.14
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Solution
The fourth proportional to 11,160,114.18, 15,400,432.71 and 6,198,877.14 is: 8,554,158.92
Step by Step Solution
- Step 1: Write the proportion equation
11,160,114.18 : 15,400,432.71 = 6,198,877.14 : x - Step 2: Convert to fraction form
11,160,114.18/15,400,432.71 = 6,198,877.14/x - Step 3: Cross multiply
11,160,114.18x = 15,400,432.71 × 6,198,877.14 - Step 4: Simplify right side
11,160,114.18x = 95,465,390,272,127.25 - Step 5: Solve for x
x = 95,465,390,272,127.25/11,160,114.18 - Step 6: Final answer
x = 8,554,158.92
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1.5x scale
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.