Finding the Fourth Proportional to 14,430,358.96, 19,913,649.22 and 7,814,893.68
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Solution
The fourth proportional to 14,430,358.96, 19,913,649.22 and 7,814,893.68 is: 10,784,419.97
Step by Step Solution
- Step 1: Write the proportion equation
14,430,358.96 : 19,913,649.22 = 7,814,893.68 : x - Step 2: Convert to fraction form
14,430,358.96/19,913,649.22 = 7,814,893.68/x - Step 3: Cross multiply
14,430,358.96x = 19,913,649.22 × 7,814,893.68 - Step 4: Simplify right side
14,430,358.96x = 155,623,051,370,207.38 - Step 5: Solve for x
x = 155,623,051,370,207.38/14,430,358.96 - Step 6: Final answer
x = 10,784,419.97
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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.