Finding the Fourth Proportional to 12,660,464.70, 17,454,088.71 and 8,011,937.34
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Solution
The fourth proportional to 12,660,464.70, 17,454,088.71 and 8,011,937.34 is: 11,045,492.28
Step by Step Solution
- Step 1: Write the proportion equation
12,660,464.70 : 17,454,088.71 = 8,011,937.34 : x - Step 2: Convert to fraction form
12,660,464.70/17,454,088.71 = 8,011,937.34/x - Step 3: Cross multiply
12,660,464.70x = 17,454,088.71 × 8,011,937.34 - Step 4: Simplify right side
12,660,464.70x = 139,841,065,071,321.44 - Step 5: Solve for x
x = 139,841,065,071,321.44/12,660,464.70 - Step 6: Final answer
x = 11,045,492.28
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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.