Finding the Fourth Proportional to 19,394,812.13, 29,092,363.99 and 8,609,213.39
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Solution
The fourth proportional to 19,394,812.13, 29,092,363.99 and 8,609,213.39 is: 12,913,884.80
Step by Step Solution
- Step 1: Write the proportion equation
19,394,812.13 : 29,092,363.99 = 8,609,213.39 : x - Step 2: Convert to fraction form
19,394,812.13/29,092,363.99 = 8,609,213.39/x - Step 3: Cross multiply
19,394,812.13x = 29,092,363.99 × 8,609,213.39 - Step 4: Simplify right side
19,394,812.13x = 250,462,369,442,476.97 - Step 5: Solve for x
x = 250,462,369,442,476.97/19,394,812.13 - Step 6: Final answer
x = 12,913,884.80
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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.