Finding the Fourth Proportional to 26,156,629.86, 39,243,771.36 and 11,581,559.55
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Solution
The fourth proportional to 26,156,629.86, 39,243,771.36 and 11,581,559.55 is: 17,376,247.53
Step by Step Solution
- Step 1: Write the proportion equation
26,156,629.86 : 39,243,771.36 = 11,581,559.55 : x - Step 2: Convert to fraction form
26,156,629.86/39,243,771.36 = 11,581,559.55/x - Step 3: Cross multiply
26,156,629.86x = 39,243,771.36 × 11,581,559.55 - Step 4: Simplify right side
26,156,629.86x = 454,504,075,146,131.31 - Step 5: Solve for x
x = 454,504,075,146,131.31/26,156,629.86 - Step 6: Final answer
x = 17,376,247.53
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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.