Finding the Fourth Proportional to 26,589,029.10, 39,883,543.65 and 8,638,133.10
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Solution
The fourth proportional to 26,589,029.10, 39,883,543.65 and 8,638,133.10 is: 12,957,199.65
Step by Step Solution
- Step 1: Write the proportion equation
26,589,029.10 : 39,883,543.65 = 8,638,133.10 : x - Step 2: Convert to fraction form
26,589,029.10/39,883,543.65 = 8,638,133.10/x - Step 3: Cross multiply
26,589,029.10x = 39,883,543.65 × 8,638,133.10 - Step 4: Simplify right side
26,589,029.10x = 344,519,358,548,359.81 - Step 5: Solve for x
x = 344,519,358,548,359.81/26,589,029.10 - Step 6: Final answer
x = 12,957,199.65
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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.