Finding the Fourth Proportional to 16,016,648.16, 22,102,967.52 and 8,674,481.70
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Solution
The fourth proportional to 16,016,648.16, 22,102,967.52 and 8,674,481.70 is: 11,970,780.99
Step by Step Solution
- Step 1: Write the proportion equation
16,016,648.16 : 22,102,967.52 = 8,674,481.70 : x - Step 2: Convert to fraction form
16,016,648.16/22,102,967.52 = 8,674,481.70/x - Step 3: Cross multiply
16,016,648.16x = 22,102,967.52 × 8,674,481.70 - Step 4: Simplify right side
16,016,648.16x = 191,731,787,267,934.38 - Step 5: Solve for x
x = 191,731,787,267,934.38/16,016,648.16 - Step 6: Final answer
x = 11,970,780.99
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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.