Finding the Fourth Proportional to 8,457,381.88, 11,671,228.56 and 4,589,907.48
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Solution
The fourth proportional to 8,457,381.88, 11,671,228.56 and 4,589,907.48 is: 6,334,094.88
Step by Step Solution
- Step 1: Write the proportion equation
8,457,381.88 : 11,671,228.56 = 4,589,907.48 : x - Step 2: Convert to fraction form
8,457,381.88/11,671,228.56 = 4,589,907.48/x - Step 3: Cross multiply
8,457,381.88x = 11,671,228.56 × 4,589,907.48 - Step 4: Simplify right side
8,457,381.88x = 53,569,859,268,333.63 - Step 5: Solve for x
x = 53,569,859,268,333.63/8,457,381.88 - Step 6: Final answer
x = 6,334,094.88
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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.