Finding the Fourth Proportional to 26,472,128.80, 39,708,193.20 and 8,521,232.80
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Solution
The fourth proportional to 26,472,128.80, 39,708,193.20 and 8,521,232.80 is: 12,781,849.20
Step by Step Solution
- Step 1: Write the proportion equation
26,472,128.80 : 39,708,193.20 = 8,521,232.80 : x - Step 2: Convert to fraction form
26,472,128.80/39,708,193.20 = 8,521,232.80/x - Step 3: Cross multiply
26,472,128.80x = 39,708,193.20 × 8,521,232.80 - Step 4: Simplify right side
26,472,128.80x = 338,362,758,324,577 - Step 5: Solve for x
x = 338,362,758,324,577/26,472,128.80 - Step 6: Final answer
x = 12,781,849.20
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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.