Finding the Fourth Proportional to 19,893,163.24, 27,450,994.98 and 11,189,603.08
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Solution
The fourth proportional to 19,893,163.24, 27,450,994.98 and 11,189,603.08 is: 15,440,768.99
Step by Step Solution
- Step 1: Write the proportion equation
19,893,163.24 : 27,450,994.98 = 11,189,603.08 : x - Step 2: Convert to fraction form
19,893,163.24/27,450,994.98 = 11,189,603.08/x - Step 3: Cross multiply
19,893,163.24x = 27,450,994.98 × 11,189,603.08 - Step 4: Simplify right side
19,893,163.24x = 307,165,737,977,272.56 - Step 5: Solve for x
x = 307,165,737,977,272.56/19,893,163.24 - Step 6: Final answer
x = 15,440,768.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.