Finding the Fourth Proportional to 14,259,146.16, 19,678,453.98 and 8,064,742.05
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Solution
The fourth proportional to 14,259,146.16, 19,678,453.98 and 8,064,742.05 is: 11,129,814.75
Step by Step Solution
- Step 1: Write the proportion equation
14,259,146.16 : 19,678,453.98 = 8,064,742.05 : x - Step 2: Convert to fraction form
14,259,146.16/19,678,453.98 = 8,064,742.05/x - Step 3: Cross multiply
14,259,146.16x = 19,678,453.98 × 8,064,742.05 - Step 4: Simplify right side
14,259,146.16x = 158,701,655,291,495.84 - Step 5: Solve for x
x = 158,701,655,291,495.84/14,259,146.16 - Step 6: Final answer
x = 11,129,814.75
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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.