Finding the Fourth Proportional to 12,454,376.99, 18,684,087.35 and 5,265,899.35
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Solution
The fourth proportional to 12,454,376.99, 18,684,087.35 and 5,265,899.35 is: 7,899,915.31
Step by Step Solution
- Step 1: Write the proportion equation
12,454,376.99 : 18,684,087.35 = 5,265,899.35 : x - Step 2: Convert to fraction form
12,454,376.99/18,684,087.35 = 5,265,899.35/x - Step 3: Cross multiply
12,454,376.99x = 18,684,087.35 × 5,265,899.35 - Step 4: Simplify right side
12,454,376.99x = 98,388,523,358,668.50 - Step 5: Solve for x
x = 98,388,523,358,668.50/12,454,376.99 - Step 6: Final answer
x = 7,899,915.31
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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.