Finding the Fourth Proportional to 16,313,491.18, 22,513,195.43 and 8,971,892.58
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Solution
The fourth proportional to 16,313,491.18, 22,513,195.43 and 8,971,892.58 is: 12,381,529.42
Step by Step Solution
- Step 1: Write the proportion equation
16,313,491.18 : 22,513,195.43 = 8,971,892.58 : x - Step 2: Convert to fraction form
16,313,491.18/22,513,195.43 = 8,971,892.58/x - Step 3: Cross multiply
16,313,491.18x = 22,513,195.43 × 8,971,892.58 - Step 4: Simplify right side
16,313,491.18x = 201,985,971,030,506.91 - Step 5: Solve for x
x = 201,985,971,030,506.91/16,313,491.18 - Step 6: Final answer
x = 12,381,529.42
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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.