Finding the Fourth Proportional to 8,291,264.88, 12,436,897.32 and 3,239,032.44
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Solution
The fourth proportional to 8,291,264.88, 12,436,897.32 and 3,239,032.44 is: 4,858,548.66
Step by Step Solution
- Step 1: Write the proportion equation
8,291,264.88 : 12,436,897.32 = 3,239,032.44 : x - Step 2: Convert to fraction form
8,291,264.88/12,436,897.32 = 3,239,032.44/x - Step 3: Cross multiply
8,291,264.88x = 12,436,897.32 × 3,239,032.44 - Step 4: Simplify right side
8,291,264.88x = 40,283,513,856,233.90 - Step 5: Solve for x
x = 40,283,513,856,233.90/8,291,264.88 - Step 6: Final answer
x = 4,858,548.66
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1.5x scale
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.