Finding the Fourth Proportional to 7,907,686.08, 11,847,984.84 and 4,315,971.12
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Solution
The fourth proportional to 7,907,686.08, 11,847,984.84 and 4,315,971.12 is: 6,466,564.29
Step by Step Solution
- Step 1: Write the proportion equation
7,907,686.08 : 11,847,984.84 = 4,315,971.12 : x - Step 2: Convert to fraction form
7,907,686.08/11,847,984.84 = 4,315,971.12/x - Step 3: Cross multiply
7,907,686.08x = 11,847,984.84 × 4,315,971.12 - Step 4: Simplify right side
7,907,686.08x = 51,135,560,399,637.82 - Step 5: Solve for x
x = 51,135,560,399,637.82/7,907,686.08 - Step 6: Final answer
x = 6,466,564.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.