Finding the Fourth Proportional to 8,149,920.48, 11,246,346.18 and 4,478,758.02
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Solution
The fourth proportional to 8,149,920.48, 11,246,346.18 and 4,478,758.02 is: 6,180,387.07
Step by Step Solution
- Step 1: Write the proportion equation
8,149,920.48 : 11,246,346.18 = 4,478,758.02 : x - Step 2: Convert to fraction form
8,149,920.48/11,246,346.18 = 4,478,758.02/x - Step 3: Cross multiply
8,149,920.48x = 11,246,346.18 × 4,478,758.02 - Step 4: Simplify right side
8,149,920.48x = 50,369,663,149,371.36 - Step 5: Solve for x
x = 50,369,663,149,371.36/8,149,920.48 - Step 6: Final answer
x = 6,180,387.07
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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.