Finding the Fourth Proportional to 14,658,006.42, 20,228,421.15 and 8,042,593.14
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Solution
The fourth proportional to 14,658,006.42, 20,228,421.15 and 8,042,593.14 is: 11,098,982.80
Step by Step Solution
- Step 1: Write the proportion equation
14,658,006.42 : 20,228,421.15 = 8,042,593.14 : x - Step 2: Convert to fraction form
14,658,006.42/20,228,421.15 = 8,042,593.14/x - Step 3: Cross multiply
14,658,006.42x = 20,228,421.15 × 8,042,593.14 - Step 4: Simplify right side
14,658,006.42x = 162,688,961,174,020.91 - Step 5: Solve for x
x = 162,688,961,174,020.91/14,658,006.42 - Step 6: Final answer
x = 11,098,982.80
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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.