Finding the Fourth Proportional to 19,806,262.70, 27,337,504.66 and 12,075,567.62
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Solution
The fourth proportional to 19,806,262.70, 27,337,504.66 and 12,075,567.62 is: 16,667,247.68
Step by Step Solution
- Step 1: Write the proportion equation
19,806,262.70 : 27,337,504.66 = 12,075,567.62 : x - Step 2: Convert to fraction form
19,806,262.70/27,337,504.66 = 12,075,567.62/x - Step 3: Cross multiply
19,806,262.70x = 27,337,504.66 × 12,075,567.62 - Step 4: Simplify right side
19,806,262.70x = 330,115,885,917,018.69 - Step 5: Solve for x
x = 330,115,885,917,018.69/19,806,262.70 - Step 6: Final answer
x = 16,667,247.68
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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.