Finding the Fourth Proportional to 15,478,213.32, 23,217,844.86 and 4,118,672.88
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Solution
The fourth proportional to 15,478,213.32, 23,217,844.86 and 4,118,672.88 is: 6,178,148.99
Step by Step Solution
- Step 1: Write the proportion equation
15,478,213.32 : 23,217,844.86 = 4,118,672.88 : x - Step 2: Convert to fraction form
15,478,213.32/23,217,844.86 = 4,118,672.88/x - Step 3: Cross multiply
15,478,213.32x = 23,217,844.86 × 4,118,672.88 - Step 4: Simplify right side
15,478,213.32x = 95,626,707,956,929.39 - Step 5: Solve for x
x = 95,626,707,956,929.39/15,478,213.32 - Step 6: Final answer
x = 6,178,148.99
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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.