Finding the Fourth Proportional to 13,293,478.08, 19,940,217.12 and 3,196,099.44
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Solution
The fourth proportional to 13,293,478.08, 19,940,217.12 and 3,196,099.44 is: 4,794,149.16
Step by Step Solution
- Step 1: Write the proportion equation
13,293,478.08 : 19,940,217.12 = 3,196,099.44 : x - Step 2: Convert to fraction form
13,293,478.08/19,940,217.12 = 3,196,099.44/x - Step 3: Cross multiply
13,293,478.08x = 19,940,217.12 × 3,196,099.44 - Step 4: Simplify right side
13,293,478.08x = 63,730,916,770,710.41 - Step 5: Solve for x
x = 63,730,916,770,710.41/13,293,478.08 - Step 6: Final answer
x = 4,794,149.16
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1.5x scale
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.