Finding the Fourth Proportional to 9,026,929.97, 12,457,163.35 and 5,159,534.16
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Solution
The fourth proportional to 9,026,929.97, 12,457,163.35 and 5,159,534.16 is: 7,120,157.14
Step by Step Solution
- Step 1: Write the proportion equation
9,026,929.97 : 12,457,163.35 = 5,159,534.16 : x - Step 2: Convert to fraction form
9,026,929.97/12,457,163.35 = 5,159,534.16/x - Step 3: Cross multiply
9,026,929.97x = 12,457,163.35 × 5,159,534.16 - Step 4: Simplify right side
9,026,929.97x = 64,273,159,841,025.04 - Step 5: Solve for x
x = 64,273,159,841,025.04/9,026,929.97 - Step 6: Final answer
x = 7,120,157.14
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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.