Finding the Fourth Proportional to 8,177,637.30, 12,266,455.95 and 8,121,650.10
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Solution
The fourth proportional to 8,177,637.30, 12,266,455.95 and 8,121,650.10 is: 12,182,475.15
Step by Step Solution
- Step 1: Write the proportion equation
8,177,637.30 : 12,266,455.95 = 8,121,650.10 : x - Step 2: Convert to fraction form
8,177,637.30/12,266,455.95 = 8,121,650.10/x - Step 3: Cross multiply
8,177,637.30x = 12,266,455.95 × 8,121,650.10 - Step 4: Simplify right side
8,177,637.30x = 99,623,863,192,963.08 - Step 5: Solve for x
x = 99,623,863,192,963.08/8,177,637.30 - Step 6: Final answer
x = 12,182,475.15
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Double scale
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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.