Finding the Fourth Proportional to 10,180,916.53, 15,276,352.95 and 4,790,103.68
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Solution
The fourth proportional to 10,180,916.53, 15,276,352.95 and 4,790,103.68 is: 7,187,497.74
Step by Step Solution
- Step 1: Write the proportion equation
10,180,916.53 : 15,276,352.95 = 4,790,103.68 : x - Step 2: Convert to fraction form
10,180,916.53/15,276,352.95 = 4,790,103.68/x - Step 3: Cross multiply
10,180,916.53x = 15,276,352.95 × 4,790,103.68 - Step 4: Simplify right side
10,180,916.53x = 73,175,314,520,964.73 - Step 5: Solve for x
x = 73,175,314,520,964.73/10,180,916.53 - Step 6: Final answer
x = 7,187,497.74
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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.