Finding the Fourth Proportional to 9,201,218.64, 12,697,163.56 and 5,071,237.26
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Solution
The fourth proportional to 9,201,218.64, 12,697,163.56 and 5,071,237.26 is: 6,998,021.84
Step by Step Solution
- Step 1: Write the proportion equation
9,201,218.64 : 12,697,163.56 = 5,071,237.26 : x - Step 2: Convert to fraction form
9,201,218.64/12,697,163.56 = 5,071,237.26/x - Step 3: Cross multiply
9,201,218.64x = 12,697,163.56 × 5,071,237.26 - Step 4: Simplify right side
9,201,218.64x = 64,390,328,941,786.24 - Step 5: Solve for x
x = 64,390,328,941,786.24/9,201,218.64 - Step 6: Final answer
x = 6,998,021.84
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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.