Finding the Fourth Proportional to 16,000,388.74, 22,080,594.99 and 8,658,221.91
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Solution
The fourth proportional to 16,000,388.74, 22,080,594.99 and 8,658,221.91 is: 11,948,377.91
Step by Step Solution
- Step 1: Write the proportion equation
16,000,388.74 : 22,080,594.99 = 8,658,221.91 : x - Step 2: Convert to fraction form
16,000,388.74/22,080,594.99 = 8,658,221.91/x - Step 3: Cross multiply
16,000,388.74x = 22,080,594.99 × 8,658,221.91 - Step 4: Simplify right side
16,000,388.74x = 191,178,691,328,254.22 - Step 5: Solve for x
x = 191,178,691,328,254.22/16,000,388.74 - Step 6: Final answer
x = 11,948,377.91
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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.