Finding the Fourth Proportional to 15,134,639.18, 22,709,930.39 and 8,749,375.97
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Solution
The fourth proportional to 15,134,639.18, 22,709,930.39 and 8,749,375.97 is: 13,128,672.37
Step by Step Solution
- Step 1: Write the proportion equation
15,134,639.18 : 22,709,930.39 = 8,749,375.97 : x - Step 2: Convert to fraction form
15,134,639.18/22,709,930.39 = 8,749,375.97/x - Step 3: Cross multiply
15,134,639.18x = 22,709,930.39 × 8,749,375.97 - Step 4: Simplify right side
15,134,639.18x = 198,697,719,234,638.75 - Step 5: Solve for x
x = 198,697,719,234,638.75/15,134,639.18 - Step 6: Final answer
x = 13,128,672.37
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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.