Finding the Fourth Proportional to 45,455,835.84, 68,193,828.95 and 13,105,213.79
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Solution
The fourth proportional to 45,455,835.84, 68,193,828.95 and 13,105,213.79 is: 19,660,725.42
Step by Step Solution
- Step 1: Write the proportion equation
45,455,835.84 : 68,193,828.95 = 13,105,213.79 : x - Step 2: Convert to fraction form
45,455,835.84/68,193,828.95 = 13,105,213.79/x - Step 3: Cross multiply
45,455,835.84x = 68,193,828.95 × 13,105,213.79 - Step 4: Simplify right side
45,455,835.84x = 893,694,707,141,945.88 - Step 5: Solve for x
x = 893,694,707,141,945.88/45,455,835.84 - Step 6: Final answer
x = 19,660,725.42
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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.