Finding the Fourth Proportional to 13,590,467.84, 20,388,894.09 and 4,492,564.92
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Solution
The fourth proportional to 13,590,467.84, 20,388,894.09 and 4,492,564.92 is: 6,739,902.66
Step by Step Solution
- Step 1: Write the proportion equation
13,590,467.84 : 20,388,894.09 = 4,492,564.92 : x - Step 2: Convert to fraction form
13,590,467.84/20,388,894.09 = 4,492,564.92/x - Step 3: Cross multiply
13,590,467.84x = 20,388,894.09 × 4,492,564.92 - Step 4: Simplify right side
13,590,467.84x = 91,598,430,346,329.33 - Step 5: Solve for x
x = 91,598,430,346,329.33/13,590,467.84 - Step 6: Final answer
x = 6,739,902.66
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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.