Finding the Fourth Proportional to 16,000,389.24, 22,080,595.68 and 8,658,222.41
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Solution
The fourth proportional to 16,000,389.24, 22,080,595.68 and 8,658,222.41 is: 11,948,378.59
Step by Step Solution
- Step 1: Write the proportion equation
16,000,389.24 : 22,080,595.68 = 8,658,222.41 : x - Step 2: Convert to fraction form
16,000,389.24/22,080,595.68 = 8,658,222.41/x - Step 3: Cross multiply
16,000,389.24x = 22,080,595.68 × 8,658,222.41 - Step 4: Simplify right side
16,000,389.24x = 191,178,708,232,322.19 - Step 5: Solve for x
x = 191,178,708,232,322.19/16,000,389.24 - Step 6: Final answer
x = 11,948,378.59
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1.5x scale
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.