Finding the Fourth Proportional to 9,771,325.90, 14,656,988.85 and 8,203,684.30
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Solution
The fourth proportional to 9,771,325.90, 14,656,988.85 and 8,203,684.30 is: 12,305,526.45
Step by Step Solution
- Step 1: Write the proportion equation
9,771,325.90 : 14,656,988.85 = 8,203,684.30 : x - Step 2: Convert to fraction form
9,771,325.90/14,656,988.85 = 8,203,684.30/x - Step 3: Cross multiply
9,771,325.90x = 14,656,988.85 × 8,203,684.30 - Step 4: Simplify right side
9,771,325.90x = 120,241,309,314,020.05 - Step 5: Solve for x
x = 120,241,309,314,020.05/9,771,325.90 - Step 6: Final answer
x = 12,305,526.45
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Similar ratio
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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.