Finding the Fourth Proportional to 11,889,743.02, 16,407,941.79 and 6,457,273.90
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Solution
The fourth proportional to 11,889,743.02, 16,407,941.79 and 6,457,273.90 is: 8,911,090.35
Step by Step Solution
- Step 1: Write the proportion equation
11,889,743.02 : 16,407,941.79 = 6,457,273.90 : x - Step 2: Convert to fraction form
11,889,743.02/16,407,941.79 = 6,457,273.90/x - Step 3: Cross multiply
11,889,743.02x = 16,407,941.79 × 6,457,273.90 - Step 4: Simplify right side
11,889,743.02x = 105,950,574,273,286.28 - Step 5: Solve for x
x = 105,950,574,273,286.28/11,889,743.02 - Step 6: Final answer
x = 8,911,090.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.