Finding the Fourth Proportional to 12,232,570.79, 16,880,515.63 and 6,725,907.09
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Solution
The fourth proportional to 12,232,570.79, 16,880,515.63 and 6,725,907.09 is: 9,281,514.22
Step by Step Solution
- Step 1: Write the proportion equation
12,232,570.79 : 16,880,515.63 = 6,725,907.09 : x - Step 2: Convert to fraction form
12,232,570.79/16,880,515.63 = 6,725,907.09/x - Step 3: Cross multiply
12,232,570.79x = 16,880,515.63 × 6,725,907.09 - Step 4: Simplify right side
12,232,570.79x = 113,536,779,741,858.06 - Step 5: Solve for x
x = 113,536,779,741,858.06/12,232,570.79 - Step 6: Final answer
x = 9,281,514.22
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1.5x scale
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.