Finding the Fourth Proportional to 39,231,929.26, 54,147,558.07 and 25,977,728.53
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Solution
The fourth proportional to 39,231,929.26, 54,147,558.07 and 25,977,728.53 is: 35,854,228.70
Step by Step Solution
- Step 1: Write the proportion equation
39,231,929.26 : 54,147,558.07 = 25,977,728.53 : x - Step 2: Convert to fraction form
39,231,929.26/54,147,558.07 = 25,977,728.53/x - Step 3: Cross multiply
39,231,929.26x = 54,147,558.07 × 25,977,728.53 - Step 4: Simplify right side
39,231,929.26x = 1,406,630,564,039,926.50 - Step 5: Solve for x
x = 1,406,630,564,039,926.50/39,231,929.26 - Step 6: Final answer
x = 35,854,228.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.