Finding the Fourth Proportional to 18,287,637.13, 27,437,553.65 and 12,163,761.14
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Solution
The fourth proportional to 18,287,637.13, 27,437,553.65 and 12,163,761.14 is: 18,249,697.68
Step by Step Solution
- Step 1: Write the proportion equation
18,287,637.13 : 27,437,553.65 = 12,163,761.14 : x - Step 2: Convert to fraction form
18,287,637.13/27,437,553.65 = 12,163,761.14/x - Step 3: Cross multiply
18,287,637.13x = 27,437,553.65 × 12,163,761.14 - Step 4: Simplify right side
18,287,637.13x = 333,743,848,843,671.88 - Step 5: Solve for x
x = 333,743,848,843,671.88/18,287,637.13 - Step 6: Final answer
x = 18,249,697.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.