Finding the Fourth Proportional to 11,234,147.76, 15,503,089.68 and 6,077,508.12
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Solution
The fourth proportional to 11,234,147.76, 15,503,089.68 and 6,077,508.12 is: 8,386,942.69
Step by Step Solution
- Step 1: Write the proportion equation
11,234,147.76 : 15,503,089.68 = 6,077,508.12 : x - Step 2: Convert to fraction form
11,234,147.76/15,503,089.68 = 6,077,508.12/x - Step 3: Cross multiply
11,234,147.76x = 15,503,089.68 × 6,077,508.12 - Step 4: Simplify right side
11,234,147.76x = 94,220,153,415,288.20 - Step 5: Solve for x
x = 94,220,153,415,288.20/11,234,147.76 - Step 6: Final answer
x = 8,386,942.69
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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.