Finding the Fourth Proportional to 19,179,015.97, 28,779,874.10 and 7,056,992.08
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Solution
The fourth proportional to 19,179,015.97, 28,779,874.10 and 7,056,992.08 is: 10,589,664.45
Step by Step Solution
- Step 1: Write the proportion equation
19,179,015.97 : 28,779,874.10 = 7,056,992.08 : x - Step 2: Convert to fraction form
19,179,015.97/28,779,874.10 = 7,056,992.08/x - Step 3: Cross multiply
19,179,015.97x = 28,779,874.10 × 7,056,992.08 - Step 4: Simplify right side
19,179,015.97x = 203,099,343,532,789.91 - Step 5: Solve for x
x = 203,099,343,532,789.91/19,179,015.97 - Step 6: Final answer
x = 10,589,664.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.