Finding the Fourth Proportional to 14,121,381.44, 21,182,071.68 and 9,869,853.44
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Solution
The fourth proportional to 14,121,381.44, 21,182,071.68 and 9,869,853.44 is: 14,804,779.82
Step by Step Solution
- Step 1: Write the proportion equation
14,121,381.44 : 21,182,071.68 = 9,869,853.44 : x - Step 2: Convert to fraction form
14,121,381.44/21,182,071.68 = 9,869,853.44/x - Step 3: Cross multiply
14,121,381.44x = 21,182,071.68 × 9,869,853.44 - Step 4: Simplify right side
14,121,381.44x = 209,063,943,037,174.56 - Step 5: Solve for x
x = 209,063,943,037,174.56/14,121,381.44 - Step 6: Final answer
x = 14,804,779.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.