Finding the Fourth Proportional to 11,431,460.68, 15,768,240.06 and 6,781,953.94
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Solution
The fourth proportional to 11,431,460.68, 15,768,240.06 and 6,781,953.94 is: 9,354,839.32
Step by Step Solution
- Step 1: Write the proportion equation
11,431,460.68 : 15,768,240.06 = 6,781,953.94 : x - Step 2: Convert to fraction form
11,431,460.68/15,768,240.06 = 6,781,953.94/x - Step 3: Cross multiply
11,431,460.68x = 15,768,240.06 × 6,781,953.94 - Step 4: Simplify right side
11,431,460.68x = 106,939,477,801,782.84 - Step 5: Solve for x
x = 106,939,477,801,782.84/11,431,460.68 - Step 6: Final answer
x = 9,354,839.32
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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.