Finding the Fourth Proportional to 26,516,728.10, 39,763,494.42 and 13,378,060.34
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Solution
The fourth proportional to 26,516,728.10, 39,763,494.42 and 13,378,060.34 is: 20,061,239.29
Step by Step Solution
- Step 1: Write the proportion equation
26,516,728.10 : 39,763,494.42 = 13,378,060.34 : x - Step 2: Convert to fraction form
26,516,728.10/39,763,494.42 = 13,378,060.34/x - Step 3: Cross multiply
26,516,728.10x = 39,763,494.42 × 13,378,060.34 - Step 4: Simplify right side
26,516,728.10x = 531,958,427,481,195.88 - Step 5: Solve for x
x = 531,958,427,481,195.88/26,516,728.10 - Step 6: Final answer
x = 20,061,239.29
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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.