Finding the Fourth Proportional to 9,780,149.05, 14,670,223.58 and 6,910,367.65
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Solution
The fourth proportional to 9,780,149.05, 14,670,223.58 and 6,910,367.65 is: 10,365,551.48
Step by Step Solution
- Step 1: Write the proportion equation
9,780,149.05 : 14,670,223.58 = 6,910,367.65 : x - Step 2: Convert to fraction form
9,780,149.05/14,670,223.58 = 6,910,367.65/x - Step 3: Cross multiply
9,780,149.05x = 14,670,223.58 × 6,910,367.65 - Step 4: Simplify right side
9,780,149.05x = 101,376,638,445,499.19 - Step 5: Solve for x
x = 101,376,638,445,499.19/9,780,149.05 - Step 6: Final answer
x = 10,365,551.48
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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.