Finding the Fourth Proportional to 26,879,157.27, 40,307,525.44 and 8,430,349.05
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Solution
The fourth proportional to 26,879,157.27, 40,307,525.44 and 8,430,349.05 is: 12,642,007.54
Step by Step Solution
- Step 1: Write the proportion equation
26,879,157.27 : 40,307,525.44 = 8,430,349.05 : x - Step 2: Convert to fraction form
26,879,157.27/40,307,525.44 = 8,430,349.05/x - Step 3: Cross multiply
26,879,157.27x = 40,307,525.44 × 8,430,349.05 - Step 4: Simplify right side
26,879,157.27x = 339,806,508,800,954.81 - Step 5: Solve for x
x = 339,806,508,800,954.81/26,879,157.27 - Step 6: Final answer
x = 12,642,007.54
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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.