Finding the Fourth Proportional to 8,407,013.16, 12,612,292.74 and 2,726,796.36
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Solution
The fourth proportional to 8,407,013.16, 12,612,292.74 and 2,726,796.36 is: 4,090,769.61
Step by Step Solution
- Step 1: Write the proportion equation
8,407,013.16 : 12,612,292.74 = 2,726,796.36 : x - Step 2: Convert to fraction form
8,407,013.16/12,612,292.74 = 2,726,796.36/x - Step 3: Cross multiply
8,407,013.16x = 12,612,292.74 × 2,726,796.36 - Step 4: Simplify right side
8,407,013.16x = 34,391,153,934,686.43 - Step 5: Solve for x
x = 34,391,153,934,686.43/8,407,013.16 - Step 6: Final answer
x = 4,090,769.61
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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.