Finding the Fourth Proportional to 26,166,183.30, 39,255,180.96 and 8,658,695.68
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Solution
The fourth proportional to 26,166,183.30, 39,255,180.96 and 8,658,695.68 is: 12,989,997.89
Step by Step Solution
- Step 1: Write the proportion equation
26,166,183.30 : 39,255,180.96 = 8,658,695.68 : x - Step 2: Convert to fraction form
26,166,183.30/39,255,180.96 = 8,658,695.68/x - Step 3: Cross multiply
26,166,183.30x = 39,255,180.96 × 8,658,695.68 - Step 4: Simplify right side
26,166,183.30x = 339,898,665,730,302.38 - Step 5: Solve for x
x = 339,898,665,730,302.38/26,166,183.30 - Step 6: Final answer
x = 12,989,997.89
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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.