Finding the Fourth Proportional to 9,977,793.70, 14,966,690.55 and 7,586,309.20
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Solution
The fourth proportional to 9,977,793.70, 14,966,690.55 and 7,586,309.20 is: 11,379,463.80
Step by Step Solution
- Step 1: Write the proportion equation
9,977,793.70 : 14,966,690.55 = 7,586,309.20 : x - Step 2: Convert to fraction form
9,977,793.70/14,966,690.55 = 7,586,309.20/x - Step 3: Cross multiply
9,977,793.70x = 14,966,690.55 × 7,586,309.20 - Step 4: Simplify right side
9,977,793.70x = 113,541,942,213,018.06 - Step 5: Solve for x
x = 113,541,942,213,018.06/9,977,793.70 - Step 6: Final answer
x = 11,379,463.80
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Double scale
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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.