Finding the Fourth Proportional to 11,428,609.02, 15,766,990.99 and 6,531,203.85
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Solution
The fourth proportional to 11,428,609.02, 15,766,990.99 and 6,531,203.85 is: 9,010,495.68
Step by Step Solution
- Step 1: Write the proportion equation
11,428,609.02 : 15,766,990.99 = 6,531,203.85 : x - Step 2: Convert to fraction form
11,428,609.02/15,766,990.99 = 6,531,203.85/x - Step 3: Cross multiply
11,428,609.02x = 15,766,990.99 × 6,531,203.85 - Step 4: Simplify right side
11,428,609.02x = 102,977,432,256,803.31 - Step 5: Solve for x
x = 102,977,432,256,803.31/11,428,609.02 - Step 6: Final answer
x = 9,010,495.68
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1.5x scale
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.