Finding the Fourth Proportional to 16,664,031.65, 22,995,278.02 and 9,320,591.09
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Solution
The fourth proportional to 16,664,031.65, 22,995,278.02 and 9,320,591.09 is: 12,861,808.47
Step by Step Solution
- Step 1: Write the proportion equation
16,664,031.65 : 22,995,278.02 = 9,320,591.09 : x - Step 2: Convert to fraction form
16,664,031.65/22,995,278.02 = 9,320,591.09/x - Step 3: Cross multiply
16,664,031.65x = 22,995,278.02 × 9,320,591.09 - Step 4: Simplify right side
16,664,031.65x = 214,329,583,494,423.75 - Step 5: Solve for x
x = 214,329,583,494,423.75/16,664,031.65 - Step 6: Final answer
x = 12,861,808.47
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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.