Finding the Fourth Proportional to 14,153,115.36, 19,531,981.08 and 7,960,101.60
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Solution
The fourth proportional to 14,153,115.36, 19,531,981.08 and 7,960,101.60 is: 10,985,323.72
Step by Step Solution
- Step 1: Write the proportion equation
14,153,115.36 : 19,531,981.08 = 7,960,101.60 : x - Step 2: Convert to fraction form
14,153,115.36/19,531,981.08 = 7,960,101.60/x - Step 3: Cross multiply
14,153,115.36x = 19,531,981.08 × 7,960,101.60 - Step 4: Simplify right side
14,153,115.36x = 155,476,553,846,077.72 - Step 5: Solve for x
x = 155,476,553,846,077.72/14,153,115.36 - Step 6: Final answer
x = 10,985,323.72
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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.