Finding the Fourth Proportional to 27,559,293.70, 41,341,515.74 and 8,128,538.63
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Solution
The fourth proportional to 27,559,293.70, 41,341,515.74 and 8,128,538.63 is: 12,193,567.50
Step by Step Solution
- Step 1: Write the proportion equation
27,559,293.70 : 41,341,515.74 = 8,128,538.63 : x - Step 2: Convert to fraction form
27,559,293.70/41,341,515.74 = 8,128,538.63/x - Step 3: Cross multiply
27,559,293.70x = 41,341,515.74 × 8,128,538.63 - Step 4: Simplify right side
27,559,293.70x = 336,046,107,931,774.50 - Step 5: Solve for x
x = 336,046,107,931,774.50/27,559,293.70 - Step 6: Final answer
x = 12,193,567.50
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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.