Finding the Fourth Proportional to 13,029,776.56, 17,973,621.06 and 8,126,485.95
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Solution
The fourth proportional to 13,029,776.56, 17,973,621.06 and 8,126,485.95 is: 11,209,891.31
Step by Step Solution
- Step 1: Write the proportion equation
13,029,776.56 : 17,973,621.06 = 8,126,485.95 : x - Step 2: Convert to fraction form
13,029,776.56/17,973,621.06 = 8,126,485.95/x - Step 3: Cross multiply
13,029,776.56x = 17,973,621.06 × 8,126,485.95 - Step 4: Simplify right side
13,029,776.56x = 146,062,379,014,714.09 - Step 5: Solve for x
x = 146,062,379,014,714.09/13,029,776.56 - Step 6: Final answer
x = 11,209,891.31
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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.