Finding the Fourth Proportional to 16,000,330.88, 22,080,515.16 and 8,658,164.12
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Solution
The fourth proportional to 16,000,330.88, 22,080,515.16 and 8,658,164.12 is: 11,948,298.17
Step by Step Solution
- Step 1: Write the proportion equation
16,000,330.88 : 22,080,515.16 = 8,658,164.12 : x - Step 2: Convert to fraction form
16,000,330.88/22,080,515.16 = 8,658,164.12/x - Step 3: Cross multiply
16,000,330.88x = 22,080,515.16 × 8,658,164.12 - Step 4: Simplify right side
16,000,330.88x = 191,176,724,109,428.03 - Step 5: Solve for x
x = 191,176,724,109,428.03/16,000,330.88 - Step 6: Final answer
x = 11,948,298.17
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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.