Finding the Fourth Proportional to 8,203,058.18, 12,297,925.80 and 3,414,331.91
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Solution
The fourth proportional to 8,203,058.18, 12,297,925.80 and 3,414,331.91 is: 5,118,725.18
Step by Step Solution
- Step 1: Write the proportion equation
8,203,058.18 : 12,297,925.80 = 3,414,331.91 : x - Step 2: Convert to fraction form
8,203,058.18/12,297,925.80 = 3,414,331.91/x - Step 3: Cross multiply
8,203,058.18x = 12,297,925.80 × 3,414,331.91 - Step 4: Simplify right side
8,203,058.18x = 41,989,200,485,752.28 - Step 5: Solve for x
x = 41,989,200,485,752.28/8,203,058.18 - Step 6: Final answer
x = 5,118,725.18
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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.