Finding the Fourth Proportional to 19,747,822.98, 27,245,395.49 and 11,486,131.50
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Solution
The fourth proportional to 19,747,822.98, 27,245,395.49 and 11,486,131.50 is: 15,847,022.51
Step by Step Solution
- Step 1: Write the proportion equation
19,747,822.98 : 27,245,395.49 = 11,486,131.50 : x - Step 2: Convert to fraction form
19,747,822.98/27,245,395.49 = 11,486,131.50/x - Step 3: Cross multiply
19,747,822.98x = 27,245,395.49 × 11,486,131.50 - Step 4: Simplify right side
19,747,822.98x = 312,944,195,412,386.50 - Step 5: Solve for x
x = 312,944,195,412,386.50/19,747,822.98 - Step 6: Final answer
x = 15,847,022.51
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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.