Finding the Fourth Proportional to 39,556,876.32, 54,585,890.88 and 22,149,231.12
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Solution
The fourth proportional to 39,556,876.32, 54,585,890.88 and 22,149,231.12 is: 30,564,483.99
Step by Step Solution
- Step 1: Write the proportion equation
39,556,876.32 : 54,585,890.88 = 22,149,231.12 : x - Step 2: Convert to fraction form
39,556,876.32/54,585,890.88 = 22,149,231.12/x - Step 3: Cross multiply
39,556,876.32x = 54,585,890.88 × 22,149,231.12 - Step 4: Simplify right side
39,556,876.32x = 1,209,035,512,992,220.25 - Step 5: Solve for x
x = 1,209,035,512,992,220.25/39,556,876.32 - Step 6: Final answer
x = 30,564,483.99
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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.