Finding the Fourth Proportional to 26,195,239.98, 39,298,750.38 and 7,997,912.82
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Solution
The fourth proportional to 26,195,239.98, 39,298,750.38 and 7,997,912.82 is: 11,998,667.69
Step by Step Solution
- Step 1: Write the proportion equation
26,195,239.98 : 39,298,750.38 = 7,997,912.82 : x - Step 2: Convert to fraction form
26,195,239.98/39,298,750.38 = 7,997,912.82/x - Step 3: Cross multiply
26,195,239.98x = 39,298,750.38 × 7,997,912.82 - Step 4: Simplify right side
26,195,239.98x = 314,307,979,474,181.88 - Step 5: Solve for x
x = 314,307,979,474,181.88/26,195,239.98 - Step 6: Final answer
x = 11,998,667.69
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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.