Finding the Fourth Proportional to 11,686,027.84, 17,608,807.42 and 9,602,779.12
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Solution
The fourth proportional to 11,686,027.84, 17,608,807.42 and 9,602,779.12 is: 14,469,714.65
Step by Step Solution
- Step 1: Write the proportion equation
11,686,027.84 : 17,608,807.42 = 9,602,779.12 : x - Step 2: Convert to fraction form
11,686,027.84/17,608,807.42 = 9,602,779.12/x - Step 3: Cross multiply
11,686,027.84x = 17,608,807.42 × 9,602,779.12 - Step 4: Simplify right side
11,686,027.84x = 169,093,488,220,877.06 - Step 5: Solve for x
x = 169,093,488,220,877.06/11,686,027.84 - Step 6: Final answer
x = 14,469,714.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.