Finding the Fourth Proportional to 8,008,138.72, 11,051,176.66 and 4,336,970.86
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Solution
The fourth proportional to 8,008,138.72, 11,051,176.66 and 4,336,970.86 is: 5,984,990.12
Step by Step Solution
- Step 1: Write the proportion equation
8,008,138.72 : 11,051,176.66 = 4,336,970.86 : x - Step 2: Convert to fraction form
8,008,138.72/11,051,176.66 = 4,336,970.86/x - Step 3: Cross multiply
8,008,138.72x = 11,051,176.66 × 4,336,970.86 - Step 4: Simplify right side
8,008,138.72x = 47,928,631,143,132.13 - Step 5: Solve for x
x = 47,928,631,143,132.13/8,008,138.72 - Step 6: Final answer
x = 5,984,990.12
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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.