Finding the Fourth Proportional to 19,394,802.13, 29,092,348.99 and 8,609,203.39
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Solution
The fourth proportional to 19,394,802.13, 29,092,348.99 and 8,609,203.39 is: 12,913,869.80
Step by Step Solution
- Step 1: Write the proportion equation
19,394,802.13 : 29,092,348.99 = 8,609,203.39 : x - Step 2: Convert to fraction form
19,394,802.13/29,092,348.99 = 8,609,203.39/x - Step 3: Cross multiply
19,394,802.13x = 29,092,348.99 × 8,609,203.39 - Step 4: Simplify right side
19,394,802.13x = 250,461,949,380,786.31 - Step 5: Solve for x
x = 250,461,949,380,786.31/19,394,802.13 - Step 6: Final answer
x = 12,913,869.80
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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.