Finding the Fourth Proportional to 16,173,576.26, 22,319,643.32 and 8,831,460.45
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Solution
The fourth proportional to 16,173,576.26, 22,319,643.32 and 8,831,460.45 is: 12,187,474.44
Step by Step Solution
- Step 1: Write the proportion equation
16,173,576.26 : 22,319,643.32 = 8,831,460.45 : x - Step 2: Convert to fraction form
16,173,576.26/22,319,643.32 = 8,831,460.45/x - Step 3: Cross multiply
16,173,576.26x = 22,319,643.32 × 8,831,460.45 - Step 4: Simplify right side
16,173,576.26x = 197,115,047,238,686.69 - Step 5: Solve for x
x = 197,115,047,238,686.69/16,173,576.26 - Step 6: Final answer
x = 12,187,474.44
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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.