Finding the Fourth Proportional to 11,412,085.23, 15,749,281.17 and 6,255,664.11
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Solution
The fourth proportional to 11,412,085.23, 15,749,281.17 and 6,255,664.11 is: 8,633,147.32
Step by Step Solution
- Step 1: Write the proportion equation
11,412,085.23 : 15,749,281.17 = 6,255,664.11 : x - Step 2: Convert to fraction form
11,412,085.23/15,749,281.17 = 6,255,664.11/x - Step 3: Cross multiply
11,412,085.23x = 15,749,281.17 × 6,255,664.11 - Step 4: Simplify right side
11,412,085.23x = 98,522,212,973,467.81 - Step 5: Solve for x
x = 98,522,212,973,467.81/11,412,085.23 - Step 6: Final answer
x = 8,633,147.32
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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.