Finding the Fourth Proportional to 14,330,906.88, 19,776,457.44 and 8,135,897.28
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Solution
The fourth proportional to 14,330,906.88, 19,776,457.44 and 8,135,897.28 is: 11,227,428.08
Step by Step Solution
- Step 1: Write the proportion equation
14,330,906.88 : 19,776,457.44 = 8,135,897.28 : x - Step 2: Convert to fraction form
14,330,906.88/19,776,457.44 = 8,135,897.28/x - Step 3: Cross multiply
14,330,906.88x = 19,776,457.44 × 8,135,897.28 - Step 4: Simplify right side
14,330,906.88x = 160,899,226,294,131.78 - Step 5: Solve for x
x = 160,899,226,294,131.78/14,330,906.88 - Step 6: Final answer
x = 11,227,428.08
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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.