Finding the Fourth Proportional to 11,330,029.18, 15,635,442.49 and 6,173,390.71
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Solution
The fourth proportional to 11,330,029.18, 15,635,442.49 and 6,173,390.71 is: 8,519,280.39
Step by Step Solution
- Step 1: Write the proportion equation
11,330,029.18 : 15,635,442.49 = 6,173,390.71 : x - Step 2: Convert to fraction form
11,330,029.18/15,635,442.49 = 6,173,390.71/x - Step 3: Cross multiply
11,330,029.18x = 15,635,442.49 × 6,173,390.71 - Step 4: Simplify right side
11,330,029.18x = 96,523,695,359,983.19 - Step 5: Solve for x
x = 96,523,695,359,983.19/11,330,029.18 - Step 6: Final answer
x = 8,519,280.39
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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.