Finding the Fourth Proportional to 14,381,974.31, 19,847,102.36 and 7,855,603.83
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Solution
The fourth proportional to 14,381,974.31, 19,847,102.36 and 7,855,603.83 is: 10,840,721.17
Step by Step Solution
- Step 1: Write the proportion equation
14,381,974.31 : 19,847,102.36 = 7,855,603.83 : x - Step 2: Convert to fraction form
14,381,974.31/19,847,102.36 = 7,855,603.83/x - Step 3: Cross multiply
14,381,974.31x = 19,847,102.36 × 7,855,603.83 - Step 4: Simplify right side
14,381,974.31x = 155,910,973,274,340.03 - Step 5: Solve for x
x = 155,910,973,274,340.03/14,381,974.31 - Step 6: Final answer
x = 10,840,721.17
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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.