Finding the Fourth Proportional to 26,158,936.35, 39,246,805.85 and 7,966,650.63
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Solution
The fourth proportional to 26,158,936.35, 39,246,805.85 and 7,966,650.63 is: 11,952,534.55
Step by Step Solution
- Step 1: Write the proportion equation
26,158,936.35 : 39,246,805.85 = 7,966,650.63 : x - Step 2: Convert to fraction form
26,158,936.35/39,246,805.85 = 7,966,650.63/x - Step 3: Cross multiply
26,158,936.35x = 39,246,805.85 × 7,966,650.63 - Step 4: Simplify right side
26,158,936.35x = 312,665,590,510,556.94 - Step 5: Solve for x
x = 312,665,590,510,556.94/26,158,936.35 - Step 6: Final answer
x = 11,952,534.55
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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.