Finding the Fourth Proportional to 26,953,487.20, 40,430,230.80 and 26,244,899.20
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Solution
The fourth proportional to 26,953,487.20, 40,430,230.80 and 26,244,899.20 is: 39,367,348.80
Step by Step Solution
- Step 1: Write the proportion equation
26,953,487.20 : 40,430,230.80 = 26,244,899.20 : x - Step 2: Convert to fraction form
26,953,487.20/40,430,230.80 = 26,244,899.20/x - Step 3: Cross multiply
26,953,487.20x = 40,430,230.80 × 26,244,899.20 - Step 4: Simplify right side
26,953,487.20x = 1,061,087,331,978,735.25 - Step 5: Solve for x
x = 1,061,087,331,978,735.25/26,953,487.20 - Step 6: Final answer
x = 39,367,348.80
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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.