Finding the Fourth Proportional to 16,171,878.30, 24,257,817.45 and 8,613,606.30
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Solution
The fourth proportional to 16,171,878.30, 24,257,817.45 and 8,613,606.30 is: 12,920,409.45
Step by Step Solution
- Step 1: Write the proportion equation
16,171,878.30 : 24,257,817.45 = 8,613,606.30 : x - Step 2: Convert to fraction form
16,171,878.30/24,257,817.45 = 8,613,606.30/x - Step 3: Cross multiply
16,171,878.30x = 24,257,817.45 × 8,613,606.30 - Step 4: Simplify right side
16,171,878.30x = 208,947,289,211,569.94 - Step 5: Solve for x
x = 208,947,289,211,569.94/16,171,878.30 - Step 6: Final answer
x = 12,920,409.45
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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.