Finding the Fourth Proportional to 12,311,159.84, 18,467,055.12 and 5,832,718.64
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Solution
The fourth proportional to 12,311,159.84, 18,467,055.12 and 5,832,718.64 is: 8,749,227.37
Step by Step Solution
- Step 1: Write the proportion equation
12,311,159.84 : 18,467,055.12 = 5,832,718.64 : x - Step 2: Convert to fraction form
12,311,159.84/18,467,055.12 = 5,832,718.64/x - Step 3: Cross multiply
12,311,159.84x = 18,467,055.12 × 5,832,718.64 - Step 4: Simplify right side
12,311,159.84x = 107,713,136,624,331.44 - Step 5: Solve for x
x = 107,713,136,624,331.44/12,311,159.84 - Step 6: Final answer
x = 8,749,227.37
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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.