Finding the Fourth Proportional to 14,686,629.16, 20,266,330.08 and 8,070,869.75
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Solution
The fourth proportional to 14,686,629.16, 20,266,330.08 and 8,070,869.75 is: 11,137,130.84
Step by Step Solution
- Step 1: Write the proportion equation
14,686,629.16 : 20,266,330.08 = 8,070,869.75 : x - Step 2: Convert to fraction form
14,686,629.16/20,266,330.08 = 8,070,869.75/x - Step 3: Cross multiply
14,686,629.16x = 20,266,330.08 × 8,070,869.75 - Step 4: Simplify right side
14,686,629.16x = 163,566,910,491,927.66 - Step 5: Solve for x
x = 163,566,910,491,927.66/14,686,629.16 - Step 6: Final answer
x = 11,137,130.84
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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.