Finding the Fourth Proportional to 15,138,470.93, 22,711,183.72 and 4,355,861.09
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Solution
The fourth proportional to 15,138,470.93, 22,711,183.72 and 4,355,861.09 is: 6,534,792.18
Step by Step Solution
- Step 1: Write the proportion equation
15,138,470.93 : 22,711,183.72 = 4,355,861.09 : x - Step 2: Convert to fraction form
15,138,470.93/22,711,183.72 = 4,355,861.09/x - Step 3: Cross multiply
15,138,470.93x = 22,711,183.72 × 4,355,861.09 - Step 4: Simplify right side
15,138,470.93x = 98,926,761,349,343.89 - Step 5: Solve for x
x = 98,926,761,349,343.89/15,138,470.93 - Step 6: Final answer
x = 6,534,792.18
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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.