Finding the Fourth Proportional to 14,387,657.16, 19,854,935.64 and 7,861,333.08
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Solution
The fourth proportional to 14,387,657.16, 19,854,935.64 and 7,861,333.08 is: 10,848,622.58
Step by Step Solution
- Step 1: Write the proportion equation
14,387,657.16 : 19,854,935.64 = 7,861,333.08 : x - Step 2: Convert to fraction form
14,387,657.16/19,854,935.64 = 7,861,333.08/x - Step 3: Cross multiply
14,387,657.16x = 19,854,935.64 × 7,861,333.08 - Step 4: Simplify right side
14,387,657.16x = 156,086,262,348,002.97 - Step 5: Solve for x
x = 156,086,262,348,002.97/14,387,657.16 - Step 6: Final answer
x = 10,848,622.58
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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.