Finding the Fourth Proportional to 13,208,138.28, 19,812,211.74 and 8,719,364.52
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Solution
The fourth proportional to 13,208,138.28, 19,812,211.74 and 8,719,364.52 is: 13,079,049.63
Step by Step Solution
- Step 1: Write the proportion equation
13,208,138.28 : 19,812,211.74 = 8,719,364.52 : x - Step 2: Convert to fraction form
13,208,138.28/19,812,211.74 = 8,719,364.52/x - Step 3: Cross multiply
13,208,138.28x = 19,812,211.74 × 8,719,364.52 - Step 4: Simplify right side
13,208,138.28x = 172,749,896,108,483.44 - Step 5: Solve for x
x = 172,749,896,108,483.44/13,208,138.28 - Step 6: Final answer
x = 13,079,049.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.