Finding the Fourth Proportional to 10,981,305.62, 15,153,810.27 and 6,086,985.38
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Solution
The fourth proportional to 10,981,305.62, 15,153,810.27 and 6,086,985.38 is: 8,399,822.82
Step by Step Solution
- Step 1: Write the proportion equation
10,981,305.62 : 15,153,810.27 = 6,086,985.38 : x - Step 2: Convert to fraction form
10,981,305.62/15,153,810.27 = 6,086,985.38/x - Step 3: Cross multiply
10,981,305.62x = 15,153,810.27 × 6,086,985.38 - Step 4: Simplify right side
10,981,305.62x = 92,241,021,564,783.84 - Step 5: Solve for x
x = 92,241,021,564,783.84/10,981,305.62 - Step 6: Final answer
x = 8,399,822.82
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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.