Finding the Fourth Proportional to 9,771,405.90, 14,657,108.85 and 8,203,764.30
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Solution
The fourth proportional to 9,771,405.90, 14,657,108.85 and 8,203,764.30 is: 12,305,646.45
Step by Step Solution
- Step 1: Write the proportion equation
9,771,405.90 : 14,657,108.85 = 8,203,764.30 : x - Step 2: Convert to fraction form
9,771,405.90/14,657,108.85 = 8,203,764.30/x - Step 3: Cross multiply
9,771,405.90x = 14,657,108.85 × 8,203,764.30 - Step 4: Simplify right side
9,771,405.90x = 120,243,466,324,844.05 - Step 5: Solve for x
x = 120,243,466,324,844.05/9,771,405.90 - Step 6: Final answer
x = 12,305,646.45
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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.