Finding the Fourth Proportional to 16,128,439.40, 22,609,675 and 16,128,439.40
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Solution
The fourth proportional to 16,128,439.40, 22,609,675 and 16,128,439.40 is: 22,609,675
Step by Step Solution
- Step 1: Write the proportion equation
16,128,439.40 : 22,609,675 = 16,128,439.40 : x - Step 2: Convert to fraction form
16,128,439.40/22,609,675 = 16,128,439.40/x - Step 3: Cross multiply
16,128,439.40x = 22,609,675 × 16,128,439.40 - Step 4: Simplify right side
16,128,439.40x = 364,658,773,091,195 - Step 5: Solve for x
x = 364,658,773,091,195/16,128,439.40 - Step 6: Final answer
x = 22,609,675
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.