Finding the Fourth Proportional to 16,000,373.12, 22,080,384.96 and 8,757,011.84
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Solution
The fourth proportional to 16,000,373.12, 22,080,384.96 and 8,757,011.84 is: 12,084,605.22
Step by Step Solution
- Step 1: Write the proportion equation
16,000,373.12 : 22,080,384.96 = 8,757,011.84 : x - Step 2: Convert to fraction form
16,000,373.12/22,080,384.96 = 8,757,011.84/x - Step 3: Cross multiply
16,000,373.12x = 22,080,384.96 × 8,757,011.84 - Step 4: Simplify right side
16,000,373.12x = 193,358,192,526,477.94 - Step 5: Solve for x
x = 193,358,192,526,477.94/16,000,373.12 - Step 6: Final answer
x = 12,084,605.22
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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.