Finding the Fourth Proportional to 26,631,195.62, 36,751,057.84 and 15,031,216.40
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Solution
The fourth proportional to 26,631,195.62, 36,751,057.84 and 15,031,216.40 is: 20,743,083.08
Step by Step Solution
- Step 1: Write the proportion equation
26,631,195.62 : 36,751,057.84 = 15,031,216.40 : x - Step 2: Convert to fraction form
26,631,195.62/36,751,057.84 = 15,031,216.40/x - Step 3: Cross multiply
26,631,195.62x = 36,751,057.84 × 15,031,216.40 - Step 4: Simplify right side
26,631,195.62x = 552,413,103,321,956.62 - Step 5: Solve for x
x = 552,413,103,321,956.62/26,631,195.62 - Step 6: Final answer
x = 20,743,083.08
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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.