Finding the Fourth Proportional to 10,192,854.08, 14,066,140.80 and 5,609,175.36
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Solution
The fourth proportional to 10,192,854.08, 14,066,140.80 and 5,609,175.36 is: 7,740,663.19
Step by Step Solution
- Step 1: Write the proportion equation
10,192,854.08 : 14,066,140.80 = 5,609,175.36 : x - Step 2: Convert to fraction form
10,192,854.08/14,066,140.80 = 5,609,175.36/x - Step 3: Cross multiply
10,192,854.08x = 14,066,140.80 × 5,609,175.36 - Step 4: Simplify right side
10,192,854.08x = 78,899,450,385,650.70 - Step 5: Solve for x
x = 78,899,450,385,650.70/10,192,854.08 - Step 6: Final answer
x = 7,740,663.19
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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.