Finding the Fourth Proportional to 8,912,247.09, 13,368,425.87 and 3,153,727.05
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Solution
The fourth proportional to 8,912,247.09, 13,368,425.87 and 3,153,727.05 is: 4,730,610.12
Step by Step Solution
- Step 1: Write the proportion equation
8,912,247.09 : 13,368,425.87 = 3,153,727.05 : x - Step 2: Convert to fraction form
8,912,247.09/13,368,425.87 = 3,153,727.05/x - Step 3: Cross multiply
8,912,247.09x = 13,368,425.87 × 3,153,727.05 - Step 4: Simplify right side
8,912,247.09x = 42,160,366,282,138.78 - Step 5: Solve for x
x = 42,160,366,282,138.78/8,912,247.09 - Step 6: Final answer
x = 4,730,610.12
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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.