Finding the Fourth Proportional to 11,909,872.64, 16,439,370.72 and 6,756,659.12
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Solution
The fourth proportional to 11,909,872.64, 16,439,370.72 and 6,756,659.12 is: 9,326,315.02
Step by Step Solution
- Step 1: Write the proportion equation
11,909,872.64 : 16,439,370.72 = 6,756,659.12 : x - Step 2: Convert to fraction form
11,909,872.64/16,439,370.72 = 6,756,659.12/x - Step 3: Cross multiply
11,909,872.64x = 16,439,370.72 × 6,756,659.12 - Step 4: Simplify right side
11,909,872.64x = 111,075,224,102,348.97 - Step 5: Solve for x
x = 111,075,224,102,348.97/11,909,872.64 - Step 6: Final answer
x = 9,326,315.02
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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.