Finding the Fourth Proportional to 14,702,209.65, 20,286,076.08 and 8,589,457.17
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Solution
The fourth proportional to 14,702,209.65, 20,286,076.08 and 8,589,457.17 is: 11,851,713.84
Step by Step Solution
- Step 1: Write the proportion equation
14,702,209.65 : 20,286,076.08 = 8,589,457.17 : x - Step 2: Convert to fraction form
14,702,209.65/20,286,076.08 = 8,589,457.17/x - Step 3: Cross multiply
14,702,209.65x = 20,286,076.08 × 8,589,457.17 - Step 4: Simplify right side
14,702,209.65x = 174,246,381,636,521.47 - Step 5: Solve for x
x = 174,246,381,636,521.47/14,702,209.65 - Step 6: Final answer
x = 11,851,713.84
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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.