Finding the Fourth Proportional to 25,787,039.01, 38,685,342.36 and 8,516,436.09
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Solution
The fourth proportional to 25,787,039.01, 38,685,342.36 and 8,516,436.09 is: 12,776,234.05
Step by Step Solution
- Step 1: Write the proportion equation
25,787,039.01 : 38,685,342.36 = 8,516,436.09 : x - Step 2: Convert to fraction form
25,787,039.01/38,685,342.36 = 8,516,436.09/x - Step 3: Cross multiply
25,787,039.01x = 38,685,342.36 × 8,516,436.09 - Step 4: Simplify right side
25,787,039.01x = 329,461,245,828,709.75 - Step 5: Solve for x
x = 329,461,245,828,709.75/25,787,039.01 - Step 6: Final answer
x = 12,776,234.05
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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.