Finding the Fourth Proportional to 15,313,827.69, 22,949,090.19 and 8,493,405.75
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Solution
The fourth proportional to 15,313,827.69, 22,949,090.19 and 8,493,405.75 is: 12,728,100.28
Step by Step Solution
- Step 1: Write the proportion equation
15,313,827.69 : 22,949,090.19 = 8,493,405.75 : x - Step 2: Convert to fraction form
15,313,827.69/22,949,090.19 = 8,493,405.75/x - Step 3: Cross multiply
15,313,827.69x = 22,949,090.19 × 8,493,405.75 - Step 4: Simplify right side
15,313,827.69x = 194,915,934,577,014.59 - Step 5: Solve for x
x = 194,915,934,577,014.59/15,313,827.69 - Step 6: Final answer
x = 12,728,100.28
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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.