Finding the Fourth Proportional to 13,165,380.24, 19,740,969.72 and 5,972,989.84
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Solution
The fourth proportional to 13,165,380.24, 19,740,969.72 and 5,972,989.84 is: 8,956,263.28
Step by Step Solution
- Step 1: Write the proportion equation
13,165,380.24 : 19,740,969.72 = 5,972,989.84 : x - Step 2: Convert to fraction form
13,165,380.24/19,740,969.72 = 5,972,989.84/x - Step 3: Cross multiply
13,165,380.24x = 19,740,969.72 × 5,972,989.84 - Step 4: Simplify right side
13,165,380.24x = 117,912,611,569,307.64 - Step 5: Solve for x
x = 117,912,611,569,307.64/13,165,380.24 - Step 6: Final answer
x = 8,956,263.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.