Finding the Fourth Proportional to 16,172,312.14, 22,317,621.49 and 8,830,122.53
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Solution
The fourth proportional to 16,172,312.14, 22,317,621.49 and 8,830,122.53 is: 12,185,476.67
Step by Step Solution
- Step 1: Write the proportion equation
16,172,312.14 : 22,317,621.49 = 8,830,122.53 : x - Step 2: Convert to fraction form
16,172,312.14/22,317,621.49 = 8,830,122.53/x - Step 3: Cross multiply
16,172,312.14x = 22,317,621.49 × 8,830,122.53 - Step 4: Simplify right side
16,172,312.14x = 197,067,332,234,310.72 - Step 5: Solve for x
x = 197,067,332,234,310.72/16,172,312.14 - Step 6: Final answer
x = 12,185,476.67
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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.