Finding the Fourth Proportional to 15,742,082, 21,723,837.64 and 8,867,232.72
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Solution
The fourth proportional to 15,742,082, 21,723,837.64 and 8,867,232.72 is: 12,236,648.49
Step by Step Solution
- Step 1: Write the proportion equation
15,742,082 : 21,723,837.64 = 8,867,232.72 : x - Step 2: Convert to fraction form
15,742,082/21,723,837.64 = 8,867,232.72/x - Step 3: Cross multiply
15,742,082x = 21,723,837.64 × 8,867,232.72 - Step 4: Simplify right side
15,742,082x = 192,630,323,925,375.59 - Step 5: Solve for x
x = 192,630,323,925,375.59/15,742,082 - Step 6: Final answer
x = 12,236,648.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.